12576577 has 4 divisors (see below), whose sum is σ = 13544020. Its totient is φ = 11609136.

The previous prime is 12576547. The next prime is 12576587. The reversal of 12576577 is 77567521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77567521 = 281 ⋅276041.

It can be written as a sum of positive squares in 2 ways, for example, as 1547536 + 11029041 = 1244^2 + 3321^2 .

It is a cyclic number.

It is not a de Polignac number, because 12576577 - 2⁷ = 12576449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12576527) 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, 483702 + ... + 483727.

It is an arithmetic number, because the mean of its divisors is an integer number (3386005).

Almost surely, 2^12576577 is an apocalyptic number.

It is an amenable number.

12576577 is a deficient number, since it is larger than the sum of its proper divisors (967443).

12576577 is an equidigital number, since it uses as much as digits as its factorization.

12576577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967442.

The product of its digits is 102900, while the sum is 40.

The square root of 12576577 is about 3546.3469937388. The cubic root of 12576577 is about 232.5523957914.

The spelling of 12576577 in words is "twelve million, five hundred seventy-six thousand, five hundred seventy-seven".