13740224 has 14 divisors (see below), whose sum is σ = 27265884. Its totient is φ = 6870080.

The previous prime is 13740203. The next prime is 13740241. The reversal of 13740224 is 42204731.

It is a self number, because there is not a number n which added to its sum of digits gives 13740224.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107282 + ... + 107409.

Almost surely, 2^13740224 is an apocalyptic number.

It is an amenable number.

13740224 is a deficient number, since it is larger than the sum of its proper divisors (13525660).

13740224 is an equidigital number, since it uses as much as digits as its factorization.

13740224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214703 (or 214693 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 13740224 is about 3706.7808135901. The cubic root of 13740224 is about 239.5142025187.

Adding to 13740224 its reverse (42204731), we get a palindrome (55944955).

The spelling of 13740224 in words is "thirteen million, seven hundred forty thousand, two hundred twenty-four".