13126949 has 8 divisors (see below), whose sum is σ = 14346720. Its totient is φ = 11911600.

The previous prime is 13126921. The next prime is 13126957. The reversal of 13126949 is 94962131.

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

It is a cyclic number.

It is not a de Polignac number, because 13126949 - 2²⁰ = 12078373 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13126909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10067 + ... + 11295.

It is an arithmetic number, because the mean of its divisors is an integer number (1793340).

Almost surely, 2^13126949 is an apocalyptic number.

It is an amenable number.

13126949 is a deficient number, since it is larger than the sum of its proper divisors (1219771).

13126949 is a wasteful number, since it uses less digits than its factorization.

13126949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211.

The product of its digits is 11664, while the sum is 35.

The square root of 13126949 is about 3623.1131641173. The cubic root of 13126949 is about 235.8963743561.

The spelling of 13126949 in words is "thirteen million, one hundred twenty-six thousand, nine hundred forty-nine".