13243604 has 48 divisors (see below), whose sum is σ = 26671680. Its totient is φ = 5698560.

The previous prime is 13243597. The next prime is 13243621. The reversal of 13243604 is 40634231.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13243604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123719 + ... + 123825.

It is an arithmetic number, because the mean of its divisors is an integer number (555660).

Almost surely, 2^13243604 is an apocalyptic number.

It is an amenable number.

13243604 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

13243604 is a wasteful number, since it uses less digits than its factorization.

13243604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 13243604 is about 3639.1762804239. The cubic root of 13243604 is about 236.5930931346.

Adding to 13243604 its reverse (40634231), we get a palindrome (53877835).

The spelling of 13243604 in words is "thirteen million, two hundred forty-three thousand, six hundred four".