12623969406 has 64 divisors (see below), whose sum is σ = 26174016000. Its totient is φ = 4056823680.

The previous prime is 12623969339. The next prime is 12623969419. The reversal of 12623969406 is 60496932621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8420845 + ... + 8422343.

It is an arithmetic number, because the mean of its divisors is an integer number (408969000).

Almost surely, 2^12623969406 is an apocalyptic number.

12623969406 is an abundant number, since it is smaller than the sum of its proper divisors (13550046594).

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

12623969406 is a wasteful number, since it uses less digits than its factorization.

12623969406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001.

The product of its (nonzero) digits is 839808, while the sum is 48.

The spelling of 12623969406 in words is "twelve billion, six hundred twenty-three million, nine hundred sixty-nine thousand, four hundred six".