13244931 has 16 divisors (see below), whose sum is σ = 22425600. Its totient is φ = 7568424.

The previous prime is 13244923. The next prime is 13244951. The reversal of 13244931 is 13944231.

It is not a de Polignac number, because 13244931 - 2³ = 13244923 is a prime.

It is a super-2 number, since 2×13244931² = 350856394389522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 13244895 and 13244904.

It is not an unprimeable number, because it can be changed into a prime (13244911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34851 + ... + 35228.

It is an arithmetic number, because the mean of its divisors is an integer number (1401600).

Almost surely, 2^13244931 is an apocalyptic number.

13244931 is a deficient number, since it is larger than the sum of its proper divisors (9180669).

13244931 is an equidigital number, since it uses as much as digits as its factorization.

13244931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70095 (or 70089 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 13244931 is about 3639.3585973355. The cubic root of 13244931 is about 236.6009950257.

The spelling of 13244931 in words is "thirteen million, two hundred forty-four thousand, nine hundred thirty-one".