13552138 has 16 divisors (see below), whose sum is σ = 21368160. Its totient is φ = 6438096.

The previous prime is 13552117. The next prime is 13552141. The reversal of 13552138 is 83125531.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1053 + ... + 5311.

It is an arithmetic number, because the mean of its divisors is an integer number (1335510).

Almost surely, 2^13552138 is an apocalyptic number.

13552138 is a deficient number, since it is larger than the sum of its proper divisors (7816022).

13552138 is a wasteful number, since it uses less digits than its factorization.

13552138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4341.

The product of its digits is 3600, while the sum is 28.

The square root of 13552138 is about 3681.3228600600. The cubic root of 13552138 is about 238.4162970444.

Adding to 13552138 its reverse (83125531), we get a palindrome (96677669).

The spelling of 13552138 in words is "thirteen million, five hundred fifty-two thousand, one hundred thirty-eight".