13406252 has 12 divisors (see below), whose sum is σ = 23513280. Its totient is φ = 6688176.

The previous prime is 13406249. The next prime is 13406257. The reversal of 13406252 is 25260431.

It is not an unprimeable number, because it can be changed into a prime (13406257) 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, 1583 + ... + 5414.

It is an arithmetic number, because the mean of its divisors is an integer number (1959440).

Almost surely, 2^13406252 is an apocalyptic number.

It is an amenable number.

13406252 is a deficient number, since it is larger than the sum of its proper divisors (10107028).

13406252 is a wasteful number, since it uses less digits than its factorization.

13406252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7480 (or 7478 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 13406252 is about 3661.4549020847. The cubic root of 13406252 is about 237.5577078606.

Adding to 13406252 its reverse (25260431), we get a palindrome (38666683).

The spelling of 13406252 in words is "thirteen million, four hundred six thousand, two hundred fifty-two".