13942961 has 2 divisors, whose sum is σ = 13942962. Its totient is φ = 13942960.

The previous prime is 13942937. The next prime is 13942987. The reversal of 13942961 is 16924931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13278736 + 664225 = 3644^2 + 815^2 .

It is a cyclic number.

It is not a de Polignac number, because 13942961 - 2⁶ = 13942897 is a prime.

It is a super-2 number, since 2×13942961² = 388812322895042, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13942931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6971480 + 6971481.

It is an arithmetic number, because the mean of its divisors is an integer number (6971481).

Almost surely, 2^13942961 is an apocalyptic number.

It is an amenable number.

13942961 is a deficient number, since it is larger than the sum of its proper divisors (1).

13942961 is an equidigital number, since it uses as much as digits as its factorization.

13942961 is an evil number, because the sum of its binary digits is even.

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

The square root of 13942961 is about 3734.0274503544. The cubic root of 13942961 is about 240.6864663573.

The spelling of 13942961 in words is "thirteen million, nine hundred forty-two thousand, nine hundred sixty-one".