12275232 has 24 divisors (see below), whose sum is σ = 32222736. Its totient is φ = 4091712.

The previous prime is 12275209. The next prime is 12275233. The reversal of 12275232 is 23257221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (12275233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63838 + ... + 64029.

It is an arithmetic number, because the mean of its divisors is an integer number (1342614).

Almost surely, 2^12275232 is an apocalyptic number.

12275232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12275232 is an abundant number, since it is smaller than the sum of its proper divisors (19947504).

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

12275232 is a wasteful number, since it uses less digits than its factorization.

12275232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127880 (or 127872 counting only the distinct ones).

The product of its digits is 1680, while the sum is 24.

The square root of 12275232 is about 3503.6027172041. The cubic root of 12275232 is about 230.6799788873.

The spelling of 12275232 in words is "twelve million, two hundred seventy-five thousand, two hundred thirty-two".