13992757 has 2 divisors, whose sum is σ = 13992758. Its totient is φ = 13992756.

The previous prime is 13992731. The next prime is 13992773. The reversal of 13992757 is 75729931.

13992757 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7612081 + 6380676 = 2759^2 + 2526^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13992757 is a prime.

It is a super-2 number, since 2×13992757² = 391594496922098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13992787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6996378 + 6996379.

It is an arithmetic number, because the mean of its divisors is an integer number (6996379).

Almost surely, 2^13992757 is an apocalyptic number.

It is an amenable number.

13992757 is a deficient number, since it is larger than the sum of its proper divisors (1).

13992757 is an equidigital number, since it uses as much as digits as its factorization.

13992757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 119070, while the sum is 43.

The square root of 13992757 is about 3740.6893749682. The cubic root of 13992757 is about 240.9726557706.

The spelling of 13992757 in words is "thirteen million, nine hundred ninety-two thousand, seven hundred fifty-seven".