12275724 has 12 divisors (see below), whose sum is σ = 28643384. Its totient is φ = 4091904.

The previous prime is 12275719. The next prime is 12275741. The reversal of 12275724 is 42757221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 12275691 and 12275700.

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, 511477 + ... + 511500.

Almost surely, 2^12275724 is an apocalyptic number.

It is an amenable number.

12275724 is an abundant number, since it is smaller than the sum of its proper divisors (16367660).

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

12275724 is a wasteful number, since it uses less digits than its factorization.

12275724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022984 (or 1022982 counting only the distinct ones).

The product of its digits is 7840, while the sum is 30.

The square root of 12275724 is about 3503.6729299408. The cubic root of 12275724 is about 230.6830607851.

The spelling of 12275724 in words is "twelve million, two hundred seventy-five thousand, seven hundred twenty-four".