13223087952 has 20 divisors (see below), whose sum is σ = 34159644000. Its totient is φ = 4407695968.

The previous prime is 13223087837. The next prime is 13223088001. The reversal of 13223087952 is 25978032231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137740452 + ... + 137740547.

It is an arithmetic number, because the mean of its divisors is an integer number (1707982200).

Almost surely, 2^13223087952 is an apocalyptic number.

13223087952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13223087952 is an abundant number, since it is smaller than the sum of its proper divisors (20936556048).

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

13223087952 is a wasteful number, since it uses less digits than its factorization.

13223087952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275481010 (or 275481004 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 13223087952 in words is "thirteen billion, two hundred twenty-three million, eighty-seven thousand, nine hundred fifty-two".