12327957 has 10 divisors (see below), whose sum is σ = 18415958. Its totient is φ = 8218584.

The previous prime is 12327949. The next prime is 12328007. The reversal of 12327957 is 75972321.

It can be written as a sum of positive squares in only one way, i.e., 11329956 + 998001 = 3366^2 + 999^2 .

It is not a de Polignac number, because 12327957 - 2³ = 12327949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12327937) 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 9 ways as a sum of consecutive naturals, for example, 76018 + ... + 76179.

Almost surely, 2^12327957 is an apocalyptic number.

It is an amenable number.

12327957 is a deficient number, since it is larger than the sum of its proper divisors (6088001).

12327957 is an equidigital number, since it uses as much as digits as its factorization.

12327957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152209 (or 152200 counting only the distinct ones).

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

The square root of 12327957 is about 3511.1190523820. The cubic root of 12327957 is about 231.0097820111.

The spelling of 12327957 in words is "twelve million, three hundred twenty-seven thousand, nine hundred fifty-seven".