13831607 has 2 divisors, whose sum is σ = 13831608. Its totient is φ = 13831606.

The previous prime is 13831603. The next prime is 13831619. The reversal of 13831607 is 70613831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13831607 - 2² = 13831603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13831607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13831603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6915803 + 6915804.

It is an arithmetic number, because the mean of its divisors is an integer number (6915804).

Almost surely, 2^13831607 is an apocalyptic number.

13831607 is a deficient number, since it is larger than the sum of its proper divisors (1).

13831607 is an equidigital number, since it uses as much as digits as its factorization.

13831607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 13831607 is about 3719.0868502900. The cubic root of 13831607 is about 240.0440139185.

The spelling of 13831607 in words is "thirteen million, eight hundred thirty-one thousand, six hundred seven".