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12769764 = 2237281541
BaseRepresentation
bin110000101101…
…100111100100
3220000202211020
4300231213210
511232113024
61133411140
7213353430
oct60554744
926022736
1012769764
117232127
124339ab0
132851497
1419a59c0
1511c3979
hexc2d9e4

12769764 has 48 divisors (see below), whose sum is σ = 34237056. Its totient is φ = 3628800.

The previous prime is 12769763. The next prime is 12769777. The reversal of 12769764 is 46796721.

12769764 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12769763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23334 + ... + 23874.

It is an arithmetic number, because the mean of its divisors is an integer number (713272).

Almost surely, 212769764 is an apocalyptic number.

12769764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12769764 is an abundant number, since it is smaller than the sum of its proper divisors (21467292).

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

12769764 is a wasteful number, since it uses less digits than its factorization.

12769764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836 (or 834 counting only the distinct ones).

The product of its digits is 127008, while the sum is 42.

The square root of 12769764 is about 3573.4806561670. The cubic root of 12769764 is about 233.7370850863.

The spelling of 12769764 in words is "twelve million, seven hundred sixty-nine thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 281 541 562 843 1082 1124 1623 1686 1967 2164 3246 3372 3787 3934 5901 6492 7574 7868 11361 11802 15148 22722 23604 45444 152021 304042 456063 608084 912126 1064147 1824252 2128294 3192441 4256588 6384882 12769764