13320949 has 8 divisors (see below), whose sum is σ = 13571712. Its totient is φ = 13072080.

The previous prime is 13320899. The next prime is 13320953. The reversal of 13320949 is 94902331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13320949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13320949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13320959) 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 7 ways as a sum of consecutive naturals, for example, 26232 + ... + 26734.

It is an arithmetic number, because the mean of its divisors is an integer number (1696464).

Almost surely, 2^13320949 is an apocalyptic number.

It is an amenable number.

13320949 is a deficient number, since it is larger than the sum of its proper divisors (250763).

13320949 is an equidigital number, since it uses as much as digits as its factorization.

13320949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 13320949 is about 3649.7875280624. The cubic root of 13320949 is about 237.0527813035.

The spelling of 13320949 in words is "thirteen million, three hundred twenty thousand, nine hundred forty-nine".