12576881 has 4 divisors (see below), whose sum is σ = 12602100. Its totient is φ = 12551664.

The previous prime is 12576833. The next prime is 12576901. The reversal of 12576881 is 18867521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9394225 + 3182656 = 3065^2 + 1784^2 .

It is a cyclic number.

It is not a de Polignac number, because 12576881 - 2¹⁴ = 12560497 is a prime.

It is a super-2 number, since 2×12576881² = 316355871376322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12576281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11846 + ... + 12863.

It is an arithmetic number, because the mean of its divisors is an integer number (3150525).

Almost surely, 2^12576881 is an apocalyptic number.

It is an amenable number.

12576881 is a deficient number, since it is larger than the sum of its proper divisors (25219).

12576881 is an equidigital number, since it uses as much as digits as its factorization.

12576881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25218.

The product of its digits is 26880, while the sum is 38.

The square root of 12576881 is about 3546.3898544858. The cubic root of 12576881 is about 232.5542695222.

The spelling of 12576881 in words is "twelve million, five hundred seventy-six thousand, eight hundred eighty-one".