12357224 has 16 divisors (see below), whose sum is σ = 25276320. Its totient is φ = 5616880.

The previous prime is 12357209. The next prime is 12357229. The reversal of 12357224 is 42275321.

12357224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12357193 and 12357202.

It is not an unprimeable number, because it can be changed into a prime (12357229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70124 + ... + 70299.

It is an arithmetic number, because the mean of its divisors is an integer number (1579770).

Almost surely, 2^12357224 is an apocalyptic number.

It is an amenable number.

12357224 is an abundant number, since it is smaller than the sum of its proper divisors (12919096).

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

12357224 is a wasteful number, since it uses less digits than its factorization.

12357224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140440 (or 140436 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 12357224 is about 3515.2843412731. The cubic root of 12357224 is about 231.1924459643.

The spelling of 12357224 in words is "twelve million, three hundred fifty-seven thousand, two hundred twenty-four".