13876997 has 2 divisors, whose sum is σ = 13876998. Its totient is φ = 13876996.

The previous prime is 13876991. The next prime is 13876999. The reversal of 13876997 is 79967831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13645636 + 231361 = 3694^2 + 481^2 .

It is a cyclic number.

It is not a de Polignac number, because 13876997 - 2²² = 9682693 is a prime.

Together with 13876999, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13876991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6938498 + 6938499.

It is an arithmetic number, because the mean of its divisors is an integer number (6938499).

Almost surely, 2^13876997 is an apocalyptic number.

It is an amenable number.

13876997 is a deficient number, since it is larger than the sum of its proper divisors (1).

13876997 is an equidigital number, since it uses as much as digits as its factorization.

13876997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 50.

The square root of 13876997 is about 3725.1841565217. The cubic root of 13876997 is about 240.3063045087.

The spelling of 13876997 in words is "thirteen million, eight hundred seventy-six thousand, nine hundred ninety-seven".