13190904 has 64 divisors (see below), whose sum is σ = 36957600. Its totient is φ = 4359168.

The previous prime is 13190899. The next prime is 13190909. The reversal of 13190904 is 40909131.

13190904 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13190899) and next prime (13190909).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13190909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37192 + ... + 37544.

Almost surely, 2^13190904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13190904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18478800).

13190904 is an abundant number, since it is smaller than the sum of its proper divisors (23766696).

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

13190904 is a wasteful number, since it uses less digits than its factorization.

13190904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 13190904 is about 3631.9284133914. The cubic root of 13190904 is about 236.2788526112.

The spelling of 13190904 in words is "thirteen million, one hundred ninety thousand, nine hundred four".