13001604 has 48 divisors (see below), whose sum is σ = 37825536. Its totient is φ = 3376800.

The previous prime is 13001603. The next prime is 13001621. The reversal of 13001604 is 40610031.

It is not an unprimeable number, because it can be changed into a prime (13001603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6112 + ... + 7959.

It is an arithmetic number, because the mean of its divisors is an integer number (788032).

Almost surely, 2^13001604 is an apocalyptic number.

13001604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13001604 is an abundant number, since it is smaller than the sum of its proper divisors (24823932).

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

13001604 is a wasteful number, since it uses less digits than its factorization.

13001604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14096 (or 14094 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 13001604 is about 3605.7737033818. The cubic root of 13001604 is about 235.1431389919.

Adding to 13001604 its reverse (40610031), we get a palindrome (53611635).

The spelling of 13001604 in words is "thirteen million, one thousand, six hundred four".