13329449 has 16 divisors (see below), whose sum is σ = 15673728. Its totient is φ = 11100672.

The previous prime is 13329413. The next prime is 13329451. The reversal of 13329449 is 94492331.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13329449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13329409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45347 + ... + 45639.

It is an arithmetic number, because the mean of its divisors is an integer number (979608).

Almost surely, 2^13329449 is an apocalyptic number.

It is an amenable number.

13329449 is a deficient number, since it is larger than the sum of its proper divisors (2344279).

13329449 is an equidigital number, since it uses as much as digits as its factorization.

13329449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464.

The product of its digits is 23328, while the sum is 35.

The square root of 13329449 is about 3650.9517937108. The cubic root of 13329449 is about 237.1031911308.

The spelling of 13329449 in words is "thirteen million, three hundred twenty-nine thousand, four hundred forty-nine".