13224349 has 4 divisors (see below), whose sum is σ = 13531936. Its totient is φ = 12916764.

The previous prime is 13224347. The next prime is 13224391. The reversal of 13224349 is 94342231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13224349 - 2¹ = 13224347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13224347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153729 + ... + 153814.

It is an arithmetic number, because the mean of its divisors is an integer number (3382984).

Almost surely, 2^13224349 is an apocalyptic number.

It is an amenable number.

13224349 is a deficient number, since it is larger than the sum of its proper divisors (307587).

13224349 is an equidigital number, since it uses as much as digits as its factorization.

13224349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307586.

The product of its digits is 5184, while the sum is 28.

The square root of 13224349 is about 3636.5298018853. The cubic root of 13224349 is about 236.4783758818.

It can be divided in two parts, 1322 and 4349, that added together give a triangular number (5671 = T₁₀₆).

The spelling of 13224349 in words is "thirteen million, two hundred twenty-four thousand, three hundred forty-nine".