13604464 has 40 divisors (see below), whose sum is σ = 27400032. Its totient is φ = 6539520.

The previous prime is 13604453. The next prime is 13604467. The reversal of 13604464 is 46440631.

It is a happy number.

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 not an unprimeable number, because it can be changed into a prime (13604467) 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 7 ways as a sum of consecutive naturals, for example, 51597 + ... + 51859.

Almost surely, 2^13604464 is an apocalyptic number.

It is an amenable number.

13604464 is an abundant number, since it is smaller than the sum of its proper divisors (13795568).

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

13604464 is a wasteful number, since it uses less digits than its factorization.

13604464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 13604464 is about 3688.4229692377. The cubic root of 13604464 is about 238.7227517490.

The spelling of 13604464 in words is "thirteen million, six hundred four thousand, four hundred sixty-four".