12577633 has 4 divisors (see below), whose sum is σ = 12624660. Its totient is φ = 12530608.

The previous prime is 12577613. The next prime is 12577657. The reversal of 12577633 is 33677521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33677521 = 47 ⋅716543.

It can be written as a sum of positive squares in 2 ways, for example, as 6110784 + 6466849 = 2472^2 + 2543^2 .

It is a cyclic number.

It is not a de Polignac number, because 12577633 - 2⁹ = 12577121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12577613) 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, 23110 + ... + 23647.

It is an arithmetic number, because the mean of its divisors is an integer number (3156165).

Almost surely, 2^12577633 is an apocalyptic number.

It is an amenable number.

12577633 is a deficient number, since it is larger than the sum of its proper divisors (47027).

12577633 is an equidigital number, since it uses as much as digits as its factorization.

12577633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47026.

The product of its digits is 26460, while the sum is 34.

The square root of 12577633 is about 3546.4958762136. The cubic root of 12577633 is about 232.5589044107.

The spelling of 12577633 in words is "twelve million, five hundred seventy-seven thousand, six hundred thirty-three".