13161983 has 2 divisors, whose sum is σ = 13161984. Its totient is φ = 13161982.

The previous prime is 13161977. The next prime is 13161991. The reversal of 13161983 is 38916131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13161983 - 2⁶ = 13161919 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13161923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6580991 + 6580992.

It is an arithmetic number, because the mean of its divisors is an integer number (6580992).

Almost surely, 2^13161983 is an apocalyptic number.

13161983 is a deficient number, since it is larger than the sum of its proper divisors (1).

13161983 is an equidigital number, since it uses as much as digits as its factorization.

13161983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 32.

The square root of 13161983 is about 3627.9447349705. The cubic root of 13161983 is about 236.1060461361.

The spelling of 13161983 in words is "thirteen million, one hundred sixty-one thousand, nine hundred eighty-three".