13928597 has 2 divisors, whose sum is σ = 13928598. Its totient is φ = 13928596.

The previous prime is 13928581. The next prime is 13928611. The reversal of 13928597 is 79582931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9084196 + 4844401 = 3014^2 + 2201^2 .

It is a cyclic number.

It is not a de Polignac number, because 13928597 - 2⁴ = 13928581 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13328597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6964298 + 6964299.

It is an arithmetic number, because the mean of its divisors is an integer number (6964299).

Almost surely, 2^13928597 is an apocalyptic number.

It is an amenable number.

13928597 is a deficient number, since it is larger than the sum of its proper divisors (1).

13928597 is an equidigital number, since it uses as much as digits as its factorization.

13928597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 44.

The square root of 13928597 is about 3732.1035623359. The cubic root of 13928597 is about 240.6037864472.

The spelling of 13928597 in words is "thirteen million, nine hundred twenty-eight thousand, five hundred ninety-seven".