12899704631 has 16 divisors (see below), whose sum is σ = 14164554240. Its totient is φ = 11650342080.

The previous prime is 12899704621. The next prime is 12899704639. The reversal of 12899704631 is 13640799821.

It is a cyclic number.

It is not a de Polignac number, because 12899704631 - 2¹⁸ = 12899442487 is a prime.

It is a super-2 number, since 2×12899704631² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12899704631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12899704639) 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, 2610395 + ... + 2615331.

It is an arithmetic number, because the mean of its divisors is an integer number (885284640).

Almost surely, 2^12899704631 is an apocalyptic number.

12899704631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12899704631 is a deficient number, since it is larger than the sum of its proper divisors (1264849609).

12899704631 is a wasteful number, since it uses less digits than its factorization.

12899704631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6454.

The product of its (nonzero) digits is 653184, while the sum is 50.

The spelling of 12899704631 in words is "twelve billion, eight hundred ninety-nine million, seven hundred four thousand, six hundred thirty-one".