13896929 has 2 divisors, whose sum is σ = 13896930. Its totient is φ = 13896928.

The previous prime is 13896907. The next prime is 13896931. The reversal of 13896929 is 92969831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13890529 + 6400 = 3727^2 + 80^2 .

It is a cyclic number.

It is not a de Polignac number, because 13896929 - 2¹² = 13892833 is a prime.

Together with 13896931, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13896979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6948464 + 6948465.

It is an arithmetic number, because the mean of its divisors is an integer number (6948465).

Almost surely, 2^13896929 is an apocalyptic number.

It is an amenable number.

13896929 is a deficient number, since it is larger than the sum of its proper divisors (1).

13896929 is an equidigital number, since it uses as much as digits as its factorization.

13896929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209952, while the sum is 47.

The square root of 13896929 is about 3727.8585005335. The cubic root of 13896929 is about 240.4213028244.

The spelling of 13896929 in words is "thirteen million, eight hundred ninety-six thousand, nine hundred twenty-nine".