13604424 has 16 divisors (see below), whose sum is σ = 34011120. Its totient is φ = 4534800.

The previous prime is 13604413. The next prime is 13604441. The reversal of 13604424 is 42440631.

13604424 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 a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 566851 = 13604424 / (1 + 3 + 6 + 0 + 4 + 4 + 2 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 13604394 and 13604403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283402 + ... + 283449.

It is an arithmetic number, because the mean of its divisors is an integer number (2125695).

Almost surely, 2^13604424 is an apocalyptic number.

It is an amenable number.

13604424 is an abundant number, since it is smaller than the sum of its proper divisors (20406696).

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

13604424 is a wasteful number, since it uses less digits than its factorization.

13604424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566860 (or 566856 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 13604424 is about 3688.4175468621. The cubic root of 13604424 is about 238.7225177837.

It can be divided in two parts, 13604 and 424, that added together give a triangular number (14028 = T₁₆₇).

The spelling of 13604424 in words is "thirteen million, six hundred four thousand, four hundred twenty-four".