13316949 has 24 divisors (see below), whose sum is σ = 20217600. Its totient is φ = 8435520.

The previous prime is 13316921. The next prime is 13316957. The reversal of 13316949 is 94961331.

It is not a de Polignac number, because 13316949 - 2⁵ = 13316917 is a prime.

It is a super-2 number, since 2×13316949² = 354682261337202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13316959) 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 23 ways as a sum of consecutive naturals, for example, 16057 + ... + 16865.

It is an arithmetic number, because the mean of its divisors is an integer number (842400).

Almost surely, 2^13316949 is an apocalyptic number.

It is an amenable number.

13316949 is a deficient number, since it is larger than the sum of its proper divisors (6900651).

13316949 is a wasteful number, since it uses less digits than its factorization.

13316949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905 (or 902 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 13316949 is about 3649.2395098157. The cubic root of 13316949 is about 237.0290516115.

The spelling of 13316949 in words is "thirteen million, three hundred sixteen thousand, nine hundred forty-nine".