13020604 has 12 divisors (see below), whose sum is σ = 22874544. Its totient is φ = 6485024.

The previous prime is 13020587. The next prime is 13020607. The reversal of 13020604 is 40602031.

It is a super-2 number, since 2×13020604² = 339072257049632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13020607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5137 + ... + 7240.

It is an arithmetic number, because the mean of its divisors is an integer number (1906212).

Almost surely, 2^13020604 is an apocalyptic number.

It is an amenable number.

13020604 is a deficient number, since it is larger than the sum of its proper divisors (9853940).

13020604 is a wasteful number, since it uses less digits than its factorization.

13020604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12644 (or 12642 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 13020604 is about 3608.4074049364. The cubic root of 13020604 is about 235.2576260222.

Adding to 13020604 its reverse (40602031), we get a palindrome (53622635).

The spelling of 13020604 in words is "thirteen million, twenty thousand, six hundred four".