13681941 has 32 divisors (see below), whose sum is σ = 23439360. Its totient is φ = 6899904.

The previous prime is 13681907. The next prime is 13681951. The reversal of 13681941 is 14918631.

It is not a de Polignac number, because 13681941 - 2⁷ = 13681813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13681951) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5190 + ... + 7368.

It is an arithmetic number, because the mean of its divisors is an integer number (732480).

Almost surely, 2^13681941 is an apocalyptic number.

It is an amenable number.

13681941 is a deficient number, since it is larger than the sum of its proper divisors (9757419).

13681941 is a wasteful number, since it uses less digits than its factorization.

13681941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225.

The product of its digits is 5184, while the sum is 33.

The square root of 13681941 is about 3698.9107856232. The cubic root of 13681941 is about 239.1750670779.

The spelling of 13681941 in words is "thirteen million, six hundred eighty-one thousand, nine hundred forty-one".