13124244 has 24 divisors (see below), whose sum is σ = 34998208. Its totient is φ = 3749760.

The previous prime is 13124227. The next prime is 13124263. The reversal of 13124244 is 44242131.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 13124244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78037 + ... + 78204.

Almost surely, 2^13124244 is an apocalyptic number.

13124244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13124244 is an abundant number, since it is smaller than the sum of its proper divisors (21873964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13124244 is a wasteful number, since it uses less digits than its factorization.

13124244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156255 (or 156253 counting only the distinct ones).

The product of its digits is 768, while the sum is 21.

The square root of 13124244 is about 3622.7398471323. The cubic root of 13124244 is about 235.8801699426.

Adding to 13124244 its reverse (44242131), we get a palindrome (57366375).

The spelling of 13124244 in words is "thirteen million, one hundred twenty-four thousand, two hundred forty-four".