13119973 has 2 divisors, whose sum is σ = 13119974. Its totient is φ = 13119972.

The previous prime is 13119961. The next prime is 13119979. The reversal of 13119973 is 37991131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13118884 + 1089 = 3622^2 + 33^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13119973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13119979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6559986 + 6559987.

It is an arithmetic number, because the mean of its divisors is an integer number (6559987).

Almost surely, 2^13119973 is an apocalyptic number.

It is an amenable number.

13119973 is a deficient number, since it is larger than the sum of its proper divisors (1).

13119973 is an equidigital number, since it uses as much as digits as its factorization.

13119973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5103, while the sum is 34.

The square root of 13119973 is about 3622.1503281890. The cubic root of 13119973 is about 235.8545798081.

The spelling of 13119973 in words is "thirteen million, one hundred nineteen thousand, nine hundred seventy-three".