13791244 has 12 divisors (see below), whose sum is σ = 24169600. Its totient is φ = 6885648.

The previous prime is 13791241. The next prime is 13791251. The reversal of 13791244 is 44219731.

It is a super-2 number, since 2×13791244² = 380396822135072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13791241) 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, 1237 + ... + 5395.

Almost surely, 2^13791244 is an apocalyptic number.

It is an amenable number.

13791244 is a deficient number, since it is larger than the sum of its proper divisors (10378356).

13791244 is a wasteful number, since it uses less digits than its factorization.

13791244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4992 (or 4990 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 13791244 is about 3713.6564192181. The cubic root of 13791244 is about 239.8102898963.

The spelling of 13791244 in words is "thirteen million, seven hundred ninety-one thousand, two hundred forty-four".