13623212904 has 32 divisors (see below), whose sum is σ = 38923465920. Its totient is φ = 3892346496.

The previous prime is 13623212879. The next prime is 13623212921. The reversal of 13623212904 is 40921232631.

It is a super-2 number, since 2×13623212904² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40545109 + ... + 40545444.

It is an arithmetic number, because the mean of its divisors is an integer number (1216358310).

Almost surely, 2^13623212904 is an apocalyptic number.

13623212904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13623212904 is an abundant number, since it is smaller than the sum of its proper divisors (25300253016).

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

13623212904 is a wasteful number, since it uses less digits than its factorization.

13623212904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81090569 (or 81090565 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The spelling of 13623212904 in words is "thirteen billion, six hundred twenty-three million, two hundred twelve thousand, nine hundred four".