13612249 has 12 divisors (see below), whose sum is σ = 16030224. Its totient is φ = 11523624.

The previous prime is 13612231. The next prime is 13612271. The reversal of 13612249 is 94221631.

It is a de Polignac number, because none of the positive numbers 2^k-13612249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13612229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2394 + ... + 5740.

It is an arithmetic number, because the mean of its divisors is an integer number (1335852).

Almost surely, 2^13612249 is an apocalyptic number.

It is an amenable number.

13612249 is a deficient number, since it is larger than the sum of its proper divisors (2417975).

13612249 is an equidigital number, since it uses as much as digits as its factorization.

13612249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444 (or 3437 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 13612249 is about 3689.4781473807. The cubic root of 13612249 is about 238.7682785271.

It can be divided in two parts, 13612 and 249, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 13612249 in words is "thirteen million, six hundred twelve thousand, two hundred forty-nine".