12890262765 has 16 divisors (see below), whose sum is σ = 21013561728. Its totient is φ = 6745093056.

The previous prime is 12890262743. The next prime is 12890262811. The reversal of 12890262765 is 56726209821.

It is not a de Polignac number, because 12890262765 - 2⁸ = 12890262509 is a prime.

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, 8106289 + ... + 8107878.

It is an arithmetic number, because the mean of its divisors is an integer number (1313347608).

Almost surely, 2^12890262765 is an apocalyptic number.

12890262765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12890262765 is a deficient number, since it is larger than the sum of its proper divisors (8123298963).

12890262765 is a wasteful number, since it uses less digits than its factorization.

12890262765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16214228.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 12890262765 in words is "twelve billion, eight hundred ninety million, two hundred sixty-two thousand, seven hundred sixty-five".