12576403660 has 24 divisors (see below), whose sum is σ = 26465604480. Its totient is φ = 5020055424.

The previous prime is 12576403643. The next prime is 12576403661. The reversal of 12576403660 is 6630467521.

It is a super-2 number, since 2×12576403660² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12576403661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646809 + ... + 665968.

It is an arithmetic number, because the mean of its divisors is an integer number (1102733520).

Almost surely, 2^12576403660 is an apocalyptic number.

12576403660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12576403660 is an abundant number, since it is smaller than the sum of its proper divisors (13889200820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12576403660 is a wasteful number, since it uses less digits than its factorization.

12576403660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313265 (or 1313263 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 12576403660 in words is "twelve billion, five hundred seventy-six million, four hundred three thousand, six hundred sixty".