12275286 has 8 divisors (see below), whose sum is σ = 24550584. Its totient is φ = 4091760.

The previous prime is 12275269. The next prime is 12275293. The reversal of 12275286 is 68257221.

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

12275286 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022935 + ... + 1022946.

It is an arithmetic number, because the mean of its divisors is an integer number (3068823).

Almost surely, 2^12275286 is an apocalyptic number.

12275286 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12275286 is a wasteful number, since it uses less digits than its factorization.

12275286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045886.

The product of its digits is 13440, while the sum is 33.

The square root of 12275286 is about 3503.6104235488. The cubic root of 12275286 is about 230.6803171484.

It can be divided in two parts, 12275 and 286, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 12275286 in words is "twelve million, two hundred seventy-five thousand, two hundred eighty-six".