13106904 has 24 divisors (see below), whose sum is σ = 32811660. Its totient is φ = 4363056.

The previous prime is 13106879. The next prime is 13106911. The reversal of 13106904 is 40960131.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (24) 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 (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17367 + ... + 18105.

Almost surely, 2^13106904 is an apocalyptic number.

It is an amenable number.

13106904 is an abundant number, since it is smaller than the sum of its proper divisors (19704756).

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

13106904 is an frugal number, since it uses more digits than its factorization.

13106904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487 (or 744 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 13106904 is about 3620.3458398335. The cubic root of 13106904 is about 235.7762410407.

Multiplying 13106904 by its sum of digits (24), we get a square (314565696 = 17736²).

13106904 divided by its sum of digits (24) gives a square (546121 = 739²).

The spelling of 13106904 in words is "thirteen million, one hundred six thousand, nine hundred four".