13942937 has 2 divisors, whose sum is σ = 13942938. Its totient is φ = 13942936.

The previous prime is 13942931. The next prime is 13942961. The reversal of 13942937 is 73924931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8042896 + 5900041 = 2836^2 + 2429^2 .

It is an emirp because it is prime and its reverse (73924931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13942937 - 2¹⁰ = 13941913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13942937.

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, 6971468 + 6971469.

It is an arithmetic number, because the mean of its divisors is an integer number (6971469).

Almost surely, 2^13942937 is an apocalyptic number.

It is an amenable number.

13942937 is a deficient number, since it is larger than the sum of its proper divisors (1).

13942937 is an equidigital number, since it uses as much as digits as its factorization.

13942937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 38.

The square root of 13942937 is about 3734.0242366648. The cubic root of 13942937 is about 240.6863282595.

The spelling of 13942937 in words is "thirteen million, nine hundred forty-two thousand, nine hundred thirty-seven".