13801507 has 2 divisors, whose sum is σ = 13801508. Its totient is φ = 13801506.

The previous prime is 13801499. The next prime is 13801523. The reversal of 13801507 is 70510831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13801507 - 2³ = 13801499 is a prime.

It is not a weakly prime, because it can be changed into another prime (13801577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6900753 + 6900754.

It is an arithmetic number, because the mean of its divisors is an integer number (6900754).

Almost surely, 2^13801507 is an apocalyptic number.

13801507 is a deficient number, since it is larger than the sum of its proper divisors (1).

13801507 is an equidigital number, since it uses as much as digits as its factorization.

13801507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 13801507 is about 3715.0379540457. The cubic root of 13801507 is about 239.8697615134.

The spelling of 13801507 in words is "thirteen million, eight hundred one thousand, five hundred seven".