12931804041 has 32 divisors (see below), whose sum is σ = 18816053760. Its totient is φ = 7852416000.

The previous prime is 12931804037. The next prime is 12931804043. The reversal of 12931804041 is 14040813921.

It is a happy number.

It is not a de Polignac number, because 12931804041 - 2² = 12931804037 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12931803993 and 12931804011.

It is not an unprimeable number, because it can be changed into a prime (12931804043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1804816 + ... + 1811966.

It is an arithmetic number, because the mean of its divisors is an integer number (588001680).

Almost surely, 2^12931804041 is an apocalyptic number.

It is an amenable number.

12931804041 is a deficient number, since it is larger than the sum of its proper divisors (5884249719).

12931804041 is a wasteful number, since it uses less digits than its factorization.

12931804041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7777.

The product of its (nonzero) digits is 6912, while the sum is 33.

The spelling of 12931804041 in words is "twelve billion, nine hundred thirty-one million, eight hundred four thousand, forty-one".