13061604 has 12 divisors (see below), whose sum is σ = 30477104. Its totient is φ = 4353864.

The previous prime is 13061599. The next prime is 13061611. The reversal of 13061604 is 40616031.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 544222 + ... + 544245.

Almost surely, 2^13061604 is an apocalyptic number.

It is an amenable number.

13061604 is an abundant number, since it is smaller than the sum of its proper divisors (17415500).

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

13061604 is a wasteful number, since it uses less digits than its factorization.

13061604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088474 (or 1088472 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 13061604 is about 3614.0841163426. The cubic root of 13061604 is about 235.5042980450.

Adding to 13061604 its reverse (40616031), we get a palindrome (53677635).

The spelling of 13061604 in words is "thirteen million, sixty-one thousand, six hundred four".