12474157 has 2 divisors, whose sum is σ = 12474158. Its totient is φ = 12474156.

The previous prime is 12474149. The next prime is 12474181. The reversal of 12474157 is 75147421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12257001 + 217156 = 3501^2 + 466^2 .

It is a cyclic number.

It is not a de Polignac number, because 12474157 - 2³ = 12474149 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12474197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6237078 + 6237079.

It is an arithmetic number, because the mean of its divisors is an integer number (6237079).

Almost surely, 2^12474157 is an apocalyptic number.

It is an amenable number.

12474157 is a deficient number, since it is larger than the sum of its proper divisors (1).

12474157 is an equidigital number, since it uses as much as digits as its factorization.

12474157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7840, while the sum is 31.

The square root of 12474157 is about 3531.8772628731. The cubic root of 12474157 is about 231.9193945603.

The spelling of 12474157 in words is "twelve million, four hundred seventy-four thousand, one hundred fifty-seven".