13243941 has 12 divisors (see below), whose sum is σ = 19282432. Its totient is φ = 8759016.

The previous prime is 13243933. The next prime is 13243961. The reversal of 13243941 is 14934231.

It is not a de Polignac number, because 13243941 - 2³ = 13243933 is a prime.

It is a super-2 number, since 2×13243941² = 350803946422962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13243961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4651 + ... + 6936.

Almost surely, 2^13243941 is an apocalyptic number.

It is an amenable number.

13243941 is a deficient number, since it is larger than the sum of its proper divisors (6038491).

13243941 is a wasteful number, since it uses less digits than its factorization.

13243941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11720 (or 11717 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 13243941 is about 3639.2225818161. Note that the first 3 decimals coincide. The cubic root of 13243941 is about 236.5950999195.

The spelling of 13243941 in words is "thirteen million, two hundred forty-three thousand, nine hundred forty-one".