13659404 has 24 divisors (see below), whose sum is σ = 27451200. Its totient is φ = 5881680.

The previous prime is 13659403. The next prime is 13659407. The reversal of 13659404 is 40495631.

It is not an unprimeable number, because it can be changed into a prime (13659403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7334 + ... + 9005.

It is an arithmetic number, because the mean of its divisors is an integer number (1143800).

Almost surely, 2^13659404 is an apocalyptic number.

It is an amenable number.

13659404 is an abundant number, since it is smaller than the sum of its proper divisors (13791796).

13659404 is a wasteful number, since it uses less digits than its factorization.

13659404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16373 (or 16371 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 13659404 is about 3695.8630927024. The cubic root of 13659404 is about 239.0436712270.

The spelling of 13659404 in words is "thirteen million, six hundred fifty-nine thousand, four hundred four".