13252438 has 32 divisors (see below), whose sum is σ = 21669120. Its totient is φ = 6065280.

The previous prime is 13252429. The next prime is 13252441. The reversal of 13252438 is 83425231.

It is a super-2 number, since 2×13252438² = 351254225887688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121528 + ... + 121636.

It is an arithmetic number, because the mean of its divisors is an integer number (677160).

Almost surely, 2^13252438 is an apocalyptic number.

13252438 is a deficient number, since it is larger than the sum of its proper divisors (8416682).

13252438 is a wasteful number, since it uses less digits than its factorization.

13252438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232.

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

The square root of 13252438 is about 3640.3898142919. The cubic root of 13252438 is about 236.6456870468.

Adding to 13252438 its reverse (83425231), we get a palindrome (96677669).

The spelling of 13252438 in words is "thirteen million, two hundred fifty-two thousand, four hundred thirty-eight".