12631929277 has 16 divisors (see below), whose sum is σ = 14680350720. Its totient is φ = 10748084400.

The previous prime is 12631929229. The next prime is 12631929283. The reversal of 12631929277 is 77292913621.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12631929277 - 2¹¹ = 12631927229 is a prime.

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 12631929277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12631929217) 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, 346749 + ... + 381442.

It is an arithmetic number, because the mean of its divisors is an integer number (917521920).

Almost surely, 2^12631929277 is an apocalyptic number.

It is an amenable number.

12631929277 is a deficient number, since it is larger than the sum of its proper divisors (2048421443).

12631929277 is a wasteful number, since it uses less digits than its factorization.

12631929277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728304.

The product of its digits is 571536, while the sum is 49.

The spelling of 12631929277 in words is "twelve billion, six hundred thirty-one million, nine hundred twenty-nine thousand, two hundred seventy-seven".