13208925321 has 24 divisors (see below), whose sum is σ = 19249978176. Its totient is φ = 8727469920.

The previous prime is 13208925311. The next prime is 13208925329. The reversal of 13208925321 is 12352980231.

13208925321 is a `hidden beast` number, since 1 + 32 + 0 + 8 + 92 + 532 + 1 = 666.

It is not a de Polignac number, because 13208925321 - 2¹⁸ = 13208663177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13208925329) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 963511 + ... + 977123.

It is an arithmetic number, because the mean of its divisors is an integer number (802082424).

Almost surely, 2^13208925321 is an apocalyptic number.

It is an amenable number.

13208925321 is a deficient number, since it is larger than the sum of its proper divisors (6041052855).

13208925321 is a wasteful number, since it uses less digits than its factorization.

13208925321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14573 (or 14570 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 13208925321 in words is "thirteen billion, two hundred eight million, nine hundred twenty-five thousand, three hundred twenty-one".