12275277 has 32 divisors (see below), whose sum is σ = 19595520. Its totient is φ = 6689280.

The previous prime is 12275269. The next prime is 12275293. The reversal of 12275277 is 77257221.

It is not a de Polignac number, because 12275277 - 2³ = 12275269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12275297) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45499 + ... + 45767.

It is an arithmetic number, because the mean of its divisors is an integer number (612360).

Almost surely, 2^12275277 is an apocalyptic number.

It is an amenable number.

12275277 is a deficient number, since it is larger than the sum of its proper divisors (7320243).

12275277 is a wasteful number, since it uses less digits than its factorization.

12275277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373.

The product of its digits is 13720, while the sum is 33.

The square root of 12275277 is about 3503.6091391592. The cubic root of 12275277 is about 230.6802607716.

The spelling of 12275277 in words is "twelve million, two hundred seventy-five thousand, two hundred seventy-seven".