13162993 has 2 divisors, whose sum is σ = 13162994. Its totient is φ = 13162992.

The previous prime is 13162987. The next prime is 13163041. The reversal of 13162993 is 39926131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13126129 + 36864 = 3623^2 + 192^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13162993 is a prime.

It is not a weakly prime, because it can be changed into another prime (13162393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6581496 + 6581497.

It is an arithmetic number, because the mean of its divisors is an integer number (6581497).

Almost surely, 2^13162993 is an apocalyptic number.

It is an amenable number.

13162993 is a deficient number, since it is larger than the sum of its proper divisors (1).

13162993 is an equidigital number, since it uses as much as digits as its factorization.

13162993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8748, while the sum is 34.

The square root of 13162993 is about 3628.0839295694. The cubic root of 13162993 is about 236.1120852719.

The spelling of 13162993 in words is "thirteen million, one hundred sixty-two thousand, nine hundred ninety-three".