12864577 has 8 divisors (see below), whose sum is σ = 14772960. Its totient is φ = 11079360.

The previous prime is 12864569. The next prime is 12864581. The reversal of 12864577 is 77546821.

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

It is a cyclic number.

It is not a de Polignac number, because 12864577 - 2³ = 12864569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12864517) 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, 30568 + ... + 30985.

It is an arithmetic number, because the mean of its divisors is an integer number (1846620).

Almost surely, 2^12864577 is an apocalyptic number.

It is an amenable number.

12864577 is a deficient number, since it is larger than the sum of its proper divisors (1908383).

12864577 is a wasteful number, since it uses less digits than its factorization.

12864577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61583.

The product of its digits is 94080, while the sum is 40.

The square root of 12864577 is about 3586.7223198904. The cubic root of 12864577 is about 234.3141432989.

The spelling of 12864577 in words is "twelve million, eight hundred sixty-four thousand, five hundred seventy-seven".