13981941 has 12 divisors (see below), whose sum is σ = 20393568. Its totient is φ = 9230184.

The previous prime is 13981937. The next prime is 13981951. The reversal of 13981941 is 14918931.

It is not a de Polignac number, because 13981941 - 2² = 13981937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13981896 and 13981905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13981901) 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, 6615 + ... + 8468.

It is an arithmetic number, because the mean of its divisors is an integer number (1699464).

Almost surely, 2^13981941 is an apocalyptic number.

It is an amenable number.

13981941 is a deficient number, since it is larger than the sum of its proper divisors (6411627).

13981941 is a wasteful number, since it uses less digits than its factorization.

13981941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15192 (or 15189 counting only the distinct ones).

The product of its digits is 7776, while the sum is 36.

The square root of 13981941 is about 3739.2433726624. The cubic root of 13981941 is about 240.9105514480.

The spelling of 13981941 in words is "thirteen million, nine hundred eighty-one thousand, nine hundred forty-one".