13797887 has 2 divisors, whose sum is σ = 13797888. Its totient is φ = 13797886.

The previous prime is 13797871. The next prime is 13797899. The reversal of 13797887 is 78879731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13797887 - 2⁴ = 13797871 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 (13793887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6898943 + 6898944.

It is an arithmetic number, because the mean of its divisors is an integer number (6898944).

Almost surely, 2^13797887 is an apocalyptic number.

13797887 is a deficient number, since it is larger than the sum of its proper divisors (1).

13797887 is an equidigital number, since it uses as much as digits as its factorization.

13797887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 592704, while the sum is 50.

The square root of 13797887 is about 3714.5507130742. The cubic root of 13797887 is about 239.8487878506.

The spelling of 13797887 in words is "thirteen million, seven hundred ninety-seven thousand, eight hundred eighty-seven".