13720159 has 2 divisors, whose sum is σ = 13720160. Its totient is φ = 13720158.

The previous prime is 13720129. The next prime is 13720169. The reversal of 13720159 is 95102731.

It is a strong prime.

It is an emirp because it is prime and its reverse (95102731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13720159 - 2⁵ = 13720127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13720129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6860079 + 6860080.

It is an arithmetic number, because the mean of its divisors is an integer number (6860080).

Almost surely, 2^13720159 is an apocalyptic number.

13720159 is a deficient number, since it is larger than the sum of its proper divisors (1).

13720159 is an equidigital number, since it uses as much as digits as its factorization.

13720159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 13720159 is about 3704.0732984108. The cubic root of 13720159 is about 239.3975573141.

The spelling of 13720159 in words is "thirteen million, seven hundred twenty thousand, one hundred fifty-nine".