13267949 has 4 divisors (see below), whose sum is σ = 13275420. Its totient is φ = 13260480.

The previous prime is 13267921. The next prime is 13267957. The reversal of 13267949 is 94976231.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 8236900 + 5031049 = 2870^2 + 2243^2 .

It is a cyclic number.

It is not a de Polignac number, because 13267949 - 2¹² = 13263853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13267999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629 + ... + 5189.

It is an arithmetic number, because the mean of its divisors is an integer number (3318855).

Almost surely, 2^13267949 is an apocalyptic number.

It is an amenable number.

13267949 is a deficient number, since it is larger than the sum of its proper divisors (7471).

13267949 is an equidigital number, since it uses as much as digits as its factorization.

13267949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7470.

The product of its digits is 81648, while the sum is 41.

The square root of 13267949 is about 3642.5195950056. The cubic root of 13267949 is about 236.7379764837.

The spelling of 13267949 in words is "thirteen million, two hundred sixty-seven thousand, nine hundred forty-nine".