13213004 has 12 divisors (see below), whose sum is σ = 26426064. Its totient is φ = 5662704.

The previous prime is 13213001. The next prime is 13213043. The reversal of 13213004 is 40031231.

13213004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

13213004 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a self number, because there is not a number n which added to its sum of digits gives 13213004.

It is not an unprimeable number, because it can be changed into a prime (13213001) 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, 235919 + ... + 235974.

It is an arithmetic number, because the mean of its divisors is an integer number (2202172).

Almost surely, 2^13213004 is an apocalyptic number.

13213004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13213004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13213004 is a wasteful number, since it uses less digits than its factorization.

13213004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471904 (or 471902 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 13213004 is about 3634.9696009733. The cubic root of 13213004 is about 236.4107326092.

Adding to 13213004 its reverse (40031231), we get a palindrome (53244235).

The spelling of 13213004 in words is "thirteen million, two hundred thirteen thousand, four".