12404957 has 2 divisors, whose sum is σ = 12404958. Its totient is φ = 12404956.

The previous prime is 12404897. The next prime is 12404971. The reversal of 12404957 is 75940421.

It is a happy number.

12404957 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9114361 + 3290596 = 3019^2 + 1814^2 .

It is a cyclic number.

It is not a de Polignac number, because 12404957 - 2¹⁰ = 12403933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12401957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6202478 + 6202479.

It is an arithmetic number, because the mean of its divisors is an integer number (6202479).

Almost surely, 2^12404957 is an apocalyptic number.

It is an amenable number.

12404957 is a deficient number, since it is larger than the sum of its proper divisors (1).

12404957 is an equidigital number, since it uses as much as digits as its factorization.

12404957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 12404957 is about 3522.0671487068. The cubic root of 12404957 is about 231.4897438650.

It can be divided in two parts, 12404 and 957, that multiplied together give a triangular number (11870628 = T₄₈₇₂).

The spelling of 12404957 in words is "twelve million, four hundred four thousand, nine hundred fifty-seven".