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12798552 = 233131719127
BaseRepresentation
bin110000110100…
…101001011000
3220002020022110
4300310221120
511234023202
61134152320
7213533364
oct60645130
926066273
1012798552
117251818
1243526a0
132861610
1419b22a4
1511cc26c
hexc34a58

12798552 has 128 divisors (see below), whose sum is σ = 38707200. Its totient is φ = 3483648.

The previous prime is 12798551. The next prime is 12798587. The reversal of 12798552 is 25589721.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 12798552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12798551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100713 + ... + 100839.

It is an arithmetic number, because the mean of its divisors is an integer number (302400).

Almost surely, 212798552 is an apocalyptic number.

12798552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12798552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19353600).

12798552 is an abundant number, since it is smaller than the sum of its proper divisors (25908648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12798552 is a wasteful number, since it uses less digits than its factorization.

12798552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 181 counting only the distinct ones).

The product of its digits is 50400, while the sum is 39.

The square root of 12798552 is about 3577.5063941243. The cubic root of 12798552 is about 233.9125979375.

The spelling of 12798552 in words is "twelve million, seven hundred ninety-eight thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 13 17 19 24 26 34 38 39 51 52 57 68 76 78 102 104 114 127 136 152 156 204 221 228 247 254 312 323 381 408 442 456 494 508 646 663 741 762 884 969 988 1016 1292 1326 1482 1524 1651 1768 1938 1976 2159 2413 2584 2652 2964 3048 3302 3876 4199 4318 4826 4953 5304 5928 6477 6604 7239 7752 8398 8636 9652 9906 12597 12954 13208 14478 16796 17272 19304 19812 25194 25908 28067 28956 31369 33592 39624 41021 50388 51816 56134 57912 62738 82042 84201 94107 100776 112268 123063 125476 164084 168402 188214 224536 246126 250952 328168 336804 376428 492252 533273 673608 752856 984504 1066546 1599819 2133092 3199638 4266184 6399276 12798552