13604252 has 12 divisors (see below), whose sum is σ = 24257016. Its totient is φ = 6673680.

The previous prime is 13604249. The next prime is 13604263. The reversal of 13604252 is 25240631.

It is a congruent number.

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, 31874 + ... + 32297.

It is an arithmetic number, because the mean of its divisors is an integer number (2021418).

Almost surely, 2^13604252 is an apocalyptic number.

It is an amenable number.

13604252 is a deficient number, since it is larger than the sum of its proper divisors (10652764).

13604252 is a wasteful number, since it uses less digits than its factorization.

13604252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64228 (or 64226 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 13604252 is about 3688.3942305562. The cubic root of 13604252 is about 238.7215117274.

Adding to 13604252 its reverse (25240631), we get a palindrome (38844883).

The spelling of 13604252 in words is "thirteen million, six hundred four thousand, two hundred fifty-two".