13159999 has 2 divisors, whose sum is σ = 13160000. Its totient is φ = 13159998.

The previous prime is 13159987. The next prime is 13160029. The reversal of 13159999 is 99995131.

13159999 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13159999 - 2¹¹ = 13157951 is a prime.

13159999 is a modest number, since divided by 9999 gives 1315 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13159919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6579999 + 6580000.

It is an arithmetic number, because the mean of its divisors is an integer number (6580000).

Almost surely, 2^13159999 is an apocalyptic number.

13159999 is a deficient number, since it is larger than the sum of its proper divisors (1).

13159999 is an equidigital number, since it uses as much as digits as its factorization.

13159999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 98415, while the sum is 46.

The square root of 13159999 is about 3627.6712916139. The cubic root of 13159999 is about 236.0941822213.

The spelling of 13159999 in words is "thirteen million, one hundred fifty-nine thousand, nine hundred ninety-nine".