12876765 has 16 divisors (see below), whose sum is σ = 22476096. Its totient is φ = 6243200.

The previous prime is 12876739. The next prime is 12876779. The reversal of 12876765 is 56767821.

It is not a de Polignac number, because 12876765 - 2¹¹ = 12874717 is a prime.

It is a super-2 number, since 2×12876765² = 331622153730450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38856 + ... + 39185.

It is an arithmetic number, because the mean of its divisors is an integer number (1404756).

Almost surely, 2^12876765 is an apocalyptic number.

12876765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12876765 is a deficient number, since it is larger than the sum of its proper divisors (9599331).

12876765 is a wasteful number, since it uses less digits than its factorization.

12876765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78060.

The product of its digits is 141120, while the sum is 42.

The square root of 12876765 is about 3588.4209619274. The cubic root of 12876765 is about 234.3881169548.

The spelling of 12876765 in words is "twelve million, eight hundred seventy-six thousand, seven hundred sixty-five".