13245224 has 8 divisors (see below), whose sum is σ = 24834810. Its totient is φ = 6622608.

The previous prime is 13245203. The next prime is 13245233. The reversal of 13245224 is 42254231.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11682724 + 1562500 = 3418^2 + 1250^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 13245224.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 827819 + ... + 827834.

Almost surely, 2^13245224 is an apocalyptic number.

It is an amenable number.

13245224 is a deficient number, since it is larger than the sum of its proper divisors (11589586).

13245224 is a wasteful number, since it uses less digits than its factorization.

13245224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655659 (or 1655655 counting only the distinct ones).

The product of its digits is 1920, while the sum is 23.

The square root of 13245224 is about 3639.3988514589. The cubic root of 13245224 is about 236.6027396826.

Adding to 13245224 its reverse (42254231), we get a palindrome (55499455).

The spelling of 13245224 in words is "thirteen million, two hundred forty-five thousand, two hundred twenty-four".