12275577 has 16 divisors (see below), whose sum is σ = 19144000. Its totient is φ = 7752672.

The previous prime is 12275569. The next prime is 12275587. The reversal of 12275577 is 77557221.

12275577 is a `hidden beast` number, since 12 + 2 + 75 + 577 = 666.

It is not a de Polignac number, because 12275577 - 2³ = 12275569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12275567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11452 + ... + 12477.

It is an arithmetic number, because the mean of its divisors is an integer number (1196500).

Almost surely, 2^12275577 is an apocalyptic number.

It is an amenable number.

12275577 is a deficient number, since it is larger than the sum of its proper divisors (6868423).

12275577 is a wasteful number, since it uses less digits than its factorization.

12275577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23957 (or 23951 counting only the distinct ones).

The product of its digits is 34300, while the sum is 36.

The square root of 12275577 is about 3503.6519518925. The cubic root of 12275577 is about 230.6821399828.

The spelling of 12275577 in words is "twelve million, two hundred seventy-five thousand, five hundred seventy-seven".