13090224 has 40 divisors (see below), whose sum is σ = 38648320. Its totient is φ = 3739968.

The previous prime is 13090219. The next prime is 13090261. The reversal of 13090224 is 42209031.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13090224.

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, 19144 + ... + 19815.

It is an arithmetic number, because the mean of its divisors is an integer number (966208).

Almost surely, 2^13090224 is an apocalyptic number.

13090224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13090224 is an abundant number, since it is smaller than the sum of its proper divisors (25558096).

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

13090224 is a wasteful number, since it uses less digits than its factorization.

13090224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38977 (or 38971 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 13090224 is about 3618.0414591323. The cubic root of 13090224 is about 235.6761813783.

Adding to 13090224 its reverse (42209031), we get a palindrome (55299255).

The spelling of 13090224 in words is "thirteen million, ninety thousand, two hundred twenty-four".