13161449 has 12 divisors (see below), whose sum is σ = 15452244. Its totient is φ = 11176704.

The previous prime is 13161431. The next prime is 13161487. The reversal of 13161449 is 94416131.

It can be written as a sum of positive squares in 2 ways, for example, as 2059225 + 11102224 = 1435^2 + 3332^2 .

It is not a de Polignac number, because 13161449 - 2⁸ = 13161193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13161419) 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 11 ways as a sum of consecutive naturals, for example, 4349 + ... + 6725.

It is an arithmetic number, because the mean of its divisors is an integer number (1287687).

Almost surely, 2^13161449 is an apocalyptic number.

It is an amenable number.

13161449 is a deficient number, since it is larger than the sum of its proper divisors (2290795).

13161449 is a wasteful number, since it uses less digits than its factorization.

13161449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2504 (or 2497 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 13161449 is about 3627.8711388361. The cubic root of 13161449 is about 236.1028530425.

The spelling of 13161449 in words is "thirteen million, one hundred sixty-one thousand, four hundred forty-nine".