13756117 has 2 divisors, whose sum is σ = 13756118. Its totient is φ = 13756116.

The previous prime is 13756109. The next prime is 13756129. The reversal of 13756117 is 71165731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7001316 + 6754801 = 2646^2 + 2599^2 .

It is a cyclic number.

It is not a de Polignac number, because 13756117 - 2³ = 13756109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13756147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6878058 + 6878059.

It is an arithmetic number, because the mean of its divisors is an integer number (6878059).

Almost surely, 2^13756117 is an apocalyptic number.

It is an amenable number.

13756117 is a deficient number, since it is larger than the sum of its proper divisors (1).

13756117 is an equidigital number, since it uses as much as digits as its factorization.

13756117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4410, while the sum is 31.

The square root of 13756117 is about 3708.9239679454. The cubic root of 13756117 is about 239.6065137866.

The spelling of 13756117 in words is "thirteen million, seven hundred fifty-six thousand, one hundred seventeen".