13438252 has 48 divisors (see below), whose sum is σ = 26046720. Its totient is φ = 6048000.

The previous prime is 13438219. The next prime is 13438259. The reversal of 13438252 is 25283431.

It is a self number, because there is not a number n which added to its sum of digits gives 13438252.

It is not an unprimeable number, because it can be changed into a prime (13438259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133002 + ... + 133102.

It is an arithmetic number, because the mean of its divisors is an integer number (542640).

Almost surely, 2^13438252 is an apocalyptic number.

It is an amenable number.

13438252 is a deficient number, since it is larger than the sum of its proper divisors (12608468).

13438252 is a wasteful number, since it uses less digits than its factorization.

13438252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 200 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 13438252 is about 3665.8221451674. The cubic root of 13438252 is about 237.7465701482.

The spelling of 13438252 in words is "thirteen million, four hundred thirty-eight thousand, two hundred fifty-two".