12275231 has 8 divisors (see below), whose sum is σ = 12733344. Its totient is φ = 11823840.

The previous prime is 12275209. The next prime is 12275233. The reversal of 12275231 is 13257221.

12275231 = 276² + 277² + ... + 386².

It is a happy number.

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 12275231 - 2¹⁸ = 12013087 is a prime.

It is a super-2 number, since 2×12275231² = 301362592206722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12275197 and 12275206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12275233) 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, 2201 + ... + 5421.

It is an arithmetic number, because the mean of its divisors is an integer number (1591668).

Almost surely, 2^12275231 is an apocalyptic number.

12275231 is a deficient number, since it is larger than the sum of its proper divisors (458113).

12275231 is a wasteful number, since it uses less digits than its factorization.

12275231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361.

The product of its digits is 840, while the sum is 23.

The square root of 12275231 is about 3503.6025744939. The cubic root of 12275231 is about 230.6799726232.

The spelling of 12275231 in words is "twelve million, two hundred seventy-five thousand, two hundred thirty-one".