13868837 has 2 divisors, whose sum is σ = 13868838. Its totient is φ = 13868836.

The previous prime is 13868809. The next prime is 13868843. The reversal of 13868837 is 73886831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11792356 + 2076481 = 3434^2 + 1441^2 .

It is a cyclic number.

It is not a de Polignac number, because 13868837 - 2⁶ = 13868773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13868857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6934418 + 6934419.

It is an arithmetic number, because the mean of its divisors is an integer number (6934419).

Almost surely, 2^13868837 is an apocalyptic number.

It is an amenable number.

13868837 is a deficient number, since it is larger than the sum of its proper divisors (1).

13868837 is an equidigital number, since it uses as much as digits as its factorization.

13868837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 44.

The square root of 13868837 is about 3724.0887475999. The cubic root of 13868837 is about 240.2591933572.

The spelling of 13868837 in words is "thirteen million, eight hundred sixty-eight thousand, eight hundred thirty-seven".