13146904 has 8 divisors (see below), whose sum is σ = 24650460. Its totient is φ = 6573448.

The previous prime is 13146893. The next prime is 13146923. The reversal of 13146904 is 40964131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

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, 821674 + ... + 821689.

Almost surely, 2^13146904 is an apocalyptic number.

It is an amenable number.

13146904 is a deficient number, since it is larger than the sum of its proper divisors (11503556).

13146904 is a wasteful number, since it uses less digits than its factorization.

13146904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643369 (or 1643365 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 13146904 is about 3625.8659655315. The cubic root of 13146904 is about 236.0158468723.

The spelling of 13146904 in words is "thirteen million, one hundred forty-six thousand, nine hundred four".