13649307 has 32 divisors (see below), whose sum is σ = 21542400. Its totient is φ = 7527168.

The previous prime is 13649303. The next prime is 13649341. The reversal of 13649307 is 70394631.

It is not a de Polignac number, because 13649307 - 2² = 13649303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13649303) 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 31 ways as a sum of consecutive naturals, for example, 125169 + ... + 125277.

It is an arithmetic number, because the mean of its divisors is an integer number (673200).

Almost surely, 2^13649307 is an apocalyptic number.

13649307 is a deficient number, since it is larger than the sum of its proper divisors (7893093).

13649307 is a wasteful number, since it uses less digits than its factorization.

13649307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 13649307 is about 3694.4968534294. The cubic root of 13649307 is about 238.9847565309.

The spelling of 13649307 in words is "thirteen million, six hundred forty-nine thousand, three hundred seven".