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12986064 = 2432713991
BaseRepresentation
bin110001100010…
…011011010000
3220102202112100
4301202123100
511311023224
61142200400
7215244150
oct61423320
926382470
1012986064
11736a693
124423100
1328c8a80
141a20760
151217ac9
hexc626d0

12986064 has 120 divisors (see below), whose sum is σ = 44774912. Its totient is φ = 3421440.

The previous prime is 12986041. The next prime is 12986081. The reversal of 12986064 is 46068921.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12609 + ... + 13599.

Almost surely, 212986064 is an apocalyptic number.

12986064 is a gapful number since it is divisible by the number (14) 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 12986064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22387456).

12986064 is an abundant number, since it is smaller than the sum of its proper divisors (31788848).

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

12986064 is a wasteful number, since it uses less digits than its factorization.

12986064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025 (or 1016 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 12986064 is about 3603.6181817723. The cubic root of 12986064 is about 235.0494177045.

The spelling of 12986064 in words is "twelve million, nine hundred eighty-six thousand, sixty-four".

Divisors: 1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 28 36 39 42 48 52 56 63 72 78 84 91 104 112 117 126 144 156 168 182 208 234 252 273 312 336 364 468 504 546 624 728 819 936 991 1008 1092 1456 1638 1872 1982 2184 2973 3276 3964 4368 5946 6552 6937 7928 8919 11892 12883 13104 13874 15856 17838 20811 23784 25766 27748 35676 38649 41622 47568 51532 55496 62433 71352 77298 83244 90181 103064 110992 115947 124866 142704 154596 166488 180362 206128 231894 249732 270543 309192 332976 360724 463788 499464 541086 618384 721448 811629 927576 998928 1082172 1442896 1623258 1855152 2164344 3246516 4328688 6493032 12986064