13158244 has 24 divisors (see below), whose sum is σ = 25387488. Its totient is φ = 5917440.

The previous prime is 13158227. The next prime is 13158247. The reversal of 13158244 is 44285131.

It is not an unprimeable number, because it can be changed into a prime (13158247) 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 7 ways as a sum of consecutive naturals, for example, 2727 + ... + 5809.

It is an arithmetic number, because the mean of its divisors is an integer number (1057812).

Almost surely, 2^13158244 is an apocalyptic number.

It is an amenable number.

13158244 is a deficient number, since it is larger than the sum of its proper divisors (12229244).

13158244 is a wasteful number, since it uses less digits than its factorization.

13158244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3195 (or 3193 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 13158244 is about 3627.4293928345. The cubic root of 13158244 is about 236.0836866858.

It can be divided in two parts, 1315 and 8244, that added together give a palindrome (9559).

The spelling of 13158244 in words is "thirteen million, one hundred fifty-eight thousand, two hundred forty-four".