13002804 has 36 divisors (see below), whose sum is σ = 33022080. Its totient is φ = 4314000.

The previous prime is 13002793. The next prime is 13002809. The reversal of 13002804 is 40820031.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13002809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8317 + ... + 9755.

It is an arithmetic number, because the mean of its divisors is an integer number (917280).

Almost surely, 2^13002804 is an apocalyptic number.

It is an amenable number.

13002804 is an abundant number, since it is smaller than the sum of its proper divisors (20019276).

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

13002804 is a wasteful number, since it uses less digits than its factorization.

13002804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700 (or 1695 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 13002804 is about 3605.9400993361. The cubic root of 13002804 is about 235.1503730503.

Adding to 13002804 its reverse (40820031), we get a palindrome (53822835).

The spelling of 13002804 in words is "thirteen million, two thousand, eight hundred four".