13933937 has 2 divisors, whose sum is σ = 13933938. Its totient is φ = 13933936.

The previous prime is 13933921. The next prime is 13933961. The reversal of 13933937 is 73933931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12418576 + 1515361 = 3524^2 + 1231^2 .

It is a cyclic number.

It is not a de Polignac number, because 13933937 - 2⁴ = 13933921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13933937.

It is not a weakly prime, because it can be changed into another prime (13933967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6966968 + 6966969.

It is an arithmetic number, because the mean of its divisors is an integer number (6966969).

Almost surely, 2^13933937 is an apocalyptic number.

It is an amenable number.

13933937 is a deficient number, since it is larger than the sum of its proper divisors (1).

13933937 is an equidigital number, since it uses as much as digits as its factorization.

13933937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45927, while the sum is 38.

The square root of 13933937 is about 3732.8189080104. The cubic root of 13933937 is about 240.6345303922.

The spelling of 13933937 in words is "thirteen million, nine hundred thirty-three thousand, nine hundred thirty-seven".