12275844 has 24 divisors (see below), whose sum is σ = 32735808. Its totient is φ = 3507360.

The previous prime is 12275839. The next prime is 12275867. The reversal of 12275844 is 44857221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72987 + ... + 73154.

It is an arithmetic number, because the mean of its divisors is an integer number (1363992).

Almost surely, 2^12275844 is an apocalyptic number.

12275844 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12275844 is an abundant number, since it is smaller than the sum of its proper divisors (20459964).

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

12275844 is a wasteful number, since it uses less digits than its factorization.

12275844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146155 (or 146153 counting only the distinct ones).

The product of its digits is 17920, while the sum is 33.

The square root of 12275844 is about 3503.6900547851. The cubic root of 12275844 is about 230.6838124550.

The spelling of 12275844 in words is "twelve million, two hundred seventy-five thousand, eight hundred forty-four".