13883957 has 2 divisors, whose sum is σ = 13883958. Its totient is φ = 13883956.

The previous prime is 13883923. The next prime is 13883959. The reversal of 13883957 is 75938831.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11600836 + 2283121 = 3406^2 + 1511^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13883957 is a prime.

Together with 13883959, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13883959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6941978 + 6941979.

It is an arithmetic number, because the mean of its divisors is an integer number (6941979).

Almost surely, 2^13883957 is an apocalyptic number.

It is an amenable number.

13883957 is a deficient number, since it is larger than the sum of its proper divisors (1).

13883957 is an equidigital number, since it uses as much as digits as its factorization.

13883957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 44.

The square root of 13883957 is about 3726.1182214202. The cubic root of 13883957 is about 240.3464729576.

The spelling of 13883957 in words is "thirteen million, eight hundred eighty-three thousand, nine hundred fifty-seven".