12576477 has 8 divisors (see below), whose sum is σ = 16788064. Its totient is φ = 8374608.

The previous prime is 12576457. The next prime is 12576491. The reversal of 12576477 is 77467521.

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

It is not a de Polignac number, because 12576477 - 2⁷ = 12576349 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 (12576427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1503 + ... + 5235.

It is an arithmetic number, because the mean of its divisors is an integer number (2098508).

Almost surely, 2^12576477 is an apocalyptic number.

It is an amenable number.

12576477 is a deficient number, since it is larger than the sum of its proper divisors (4211587).

12576477 is a wasteful number, since it uses less digits than its factorization.

12576477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4859.

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

The square root of 12576477 is about 3546.3328946956. The cubic root of 12576477 is about 232.5517794260.

The spelling of 12576477 in words is "twelve million, five hundred seventy-six thousand, four hundred seventy-seven".