12577647 has 8 divisors (see below), whose sum is σ = 16800256. Its totient is φ = 8370072.

The previous prime is 12577613. The next prime is 12577657. The reversal of 12577647 is 74677521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12577647 - 2⁷ = 12577519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12577657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1633 + ... + 5274.

It is an arithmetic number, because the mean of its divisors is an integer number (2100032).

Almost surely, 2^12577647 is an apocalyptic number.

12577647 is a deficient number, since it is larger than the sum of its proper divisors (4222609).

12577647 is an equidigital number, since it uses as much as digits as its factorization.

12577647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7517.

The product of its digits is 82320, while the sum is 39.

The square root of 12577647 is about 3546.4978499923. The cubic root of 12577647 is about 232.5589906968.

The spelling of 12577647 in words is "twelve million, five hundred seventy-seven thousand, six hundred forty-seven".