12273957 has 16 divisors (see below), whose sum is σ = 18406080. Its totient is φ = 8082576.

The previous prime is 12273929. The next prime is 12273959. The reversal of 12273957 is 75937221.

12273957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12273957 - 2⁶ = 12273893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12273959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 498 + ... + 4979.

It is an arithmetic number, because the mean of its divisors is an integer number (1150380).

Almost surely, 2^12273957 is an apocalyptic number.

It is an amenable number.

12273957 is a deficient number, since it is larger than the sum of its proper divisors (6132123).

12273957 is an equidigital number, since it uses as much as digits as its factorization.

12273957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5569 (or 5563 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 12273957 is about 3503.4207569174. The cubic root of 12273957 is about 230.6719918785.

It can be divided in two parts, 1227 and 3957, that added together give a square (5184 = 72²).

The spelling of 12273957 in words is "twelve million, two hundred seventy-three thousand, nine hundred fifty-seven".