13191008 has 12 divisors (see below), whose sum is σ = 25969860. Its totient is φ = 6595488.

The previous prime is 13190999. The next prime is 13191037. The reversal of 13191008 is 80019131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206078 + ... + 206141.

It is an arithmetic number, because the mean of its divisors is an integer number (2164155).

Almost surely, 2^13191008 is an apocalyptic number.

It is an amenable number.

13191008 is a deficient number, since it is larger than the sum of its proper divisors (12778852).

13191008 is an equidigital number, since it uses as much as digits as its factorization.

13191008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412229 (or 412221 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 13191008 is about 3631.9427308260. The cubic root of 13191008 is about 236.2794735678.

The spelling of 13191008 in words is "thirteen million, one hundred ninety-one thousand, eight".