12541157 has 2 divisors, whose sum is σ = 12541158. Its totient is φ = 12541156.

The previous prime is 12541147. The next prime is 12541163. The reversal of 12541157 is 75114521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9821956 + 2719201 = 3134^2 + 1649^2 .

It is a cyclic number.

It is not a de Polignac number, because 12541157 - 2⁶ = 12541093 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 (12541147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6270578 + 6270579.

It is an arithmetic number, because the mean of its divisors is an integer number (6270579).

Almost surely, 2^12541157 is an apocalyptic number.

It is an amenable number.

12541157 is a deficient number, since it is larger than the sum of its proper divisors (1).

12541157 is an equidigital number, since it uses as much as digits as its factorization.

12541157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1400, while the sum is 26.

The square root of 12541157 is about 3541.3496014938. The cubic root of 12541157 is about 232.3338744684. Note that the first 3 decimals are identical.

Adding to 12541157 its reverse (75114521), we get a palindrome (87655678).

The spelling of 12541157 in words is "twelve million, five hundred forty-one thousand, one hundred fifty-seven".