13331873 has 2 divisors, whose sum is σ = 13331874. Its totient is φ = 13331872.

The previous prime is 13331867. The next prime is 13331887. The reversal of 13331873 is 37813331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7795264 + 5536609 = 2792^2 + 2353^2 .

It is a cyclic number.

It is not a de Polignac number, because 13331873 - 2⁶ = 13331809 is a prime.

It is equal to p₈₆₉₄₂₀ and since 13331873 and 869420 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (13331833) 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, 6665936 + 6665937.

It is an arithmetic number, because the mean of its divisors is an integer number (6665937).

Almost surely, 2^13331873 is an apocalyptic number.

It is an amenable number.

13331873 is a deficient number, since it is larger than the sum of its proper divisors (1).

13331873 is an equidigital number, since it uses as much as digits as its factorization.

13331873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 29.

The square root of 13331873 is about 3651.2837468485. The cubic root of 13331873 is about 237.1175629002.

The spelling of 13331873 in words is "thirteen million, three hundred thirty-one thousand, eight hundred seventy-three".