12573881 has 2 divisors, whose sum is σ = 12573882. Its totient is φ = 12573880.

The previous prime is 12573871. The next prime is 12573917. The reversal of 12573881 is 18837521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7929856 + 4644025 = 2816^2 + 2155^2 .

It is an emirp because it is prime and its reverse (18837521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12573881 is a prime.

It is a super-2 number, since 2×12573881² = 316204966804322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12573811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6286940 + 6286941.

It is an arithmetic number, because the mean of its divisors is an integer number (6286941).

Almost surely, 2^12573881 is an apocalyptic number.

It is an amenable number.

12573881 is a deficient number, since it is larger than the sum of its proper divisors (1).

12573881 is an equidigital number, since it uses as much as digits as its factorization.

12573881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 35.

The square root of 12573881 is about 3545.9668639174. The cubic root of 12573881 is about 232.5357774364.

The spelling of 12573881 in words is "twelve million, five hundred seventy-three thousand, eight hundred eighty-one".