13247252 has 6 divisors (see below), whose sum is σ = 23182698. Its totient is φ = 6623624.

The previous prime is 13247249. The next prime is 13247257. The reversal of 13247252 is 25274231.

It can be written as a sum of positive squares in only one way, i.e., 10471696 + 2775556 = 3236^2 + 1666^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13247257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1655903 + ... + 1655910.

It is an arithmetic number, because the mean of its divisors is an integer number (3863783).

Almost surely, 2^13247252 is an apocalyptic number.

It is an amenable number.

13247252 is a deficient number, since it is larger than the sum of its proper divisors (9935446).

13247252 is a wasteful number, since it uses less digits than its factorization.

13247252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3311817 (or 3311815 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 13247252 is about 3639.6774582372. The cubic root of 13247252 is about 236.6148146229.

The spelling of 13247252 in words is "thirteen million, two hundred forty-seven thousand, two hundred fifty-two".