12243957 has 8 divisors (see below), whose sum is σ = 17809440. Its totient is φ = 7420560.

The previous prime is 12243937. The next prime is 12243971. The reversal of 12243957 is 75934221.

12243957 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12243957 - 2⁸ = 12243701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 371029 = 12243957 / (1 + 2 + 2 + 4 + 3 + 9 + 5 + 7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12243937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185482 + ... + 185547.

It is an arithmetic number, because the mean of its divisors is an integer number (2226180).

Almost surely, 2^12243957 is an apocalyptic number.

It is an amenable number.

12243957 is a deficient number, since it is larger than the sum of its proper divisors (5565483).

12243957 is a wasteful number, since it uses less digits than its factorization.

12243957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371043.

The product of its digits is 15120, while the sum is 33.

The square root of 12243957 is about 3499.1366077934. The cubic root of 12243957 is about 230.4839024273.

The spelling of 12243957 in words is "twelve million, two hundred forty-three thousand, nine hundred fifty-seven".