12915246906 has 32 divisors (see below), whose sum is σ = 29104790400. Its totient is φ = 4244446080.

The previous prime is 12915246887. The next prime is 12915246931. The reversal of 12915246906 is 60964251921.

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, 1680471 + ... + 1688138.

It is an arithmetic number, because the mean of its divisors is an integer number (909524700).

Almost surely, 2^12915246906 is an apocalyptic number.

12915246906 is an abundant number, since it is smaller than the sum of its proper divisors (16189543494).

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

12915246906 is a wasteful number, since it uses less digits than its factorization.

12915246906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3368691 (or 3368685 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 12915246906 in words is "twelve billion, nine hundred fifteen million, two hundred forty-six thousand, nine hundred six".