12354157 has 2 divisors, whose sum is σ = 12354158. Its totient is φ = 12354156.

The previous prime is 12354143. The next prime is 12354163. The reversal of 12354157 is 75145321.

It is a happy number.

12354157 is digitally balanced in base 2, 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., 10666756 + 1687401 = 3266^2 + 1299^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12354157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12354127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6177078 + 6177079.

It is an arithmetic number, because the mean of its divisors is an integer number (6177079).

Almost surely, 2^12354157 is an apocalyptic number.

It is an amenable number.

12354157 is a deficient number, since it is larger than the sum of its proper divisors (1).

12354157 is an equidigital number, since it uses as much as digits as its factorization.

12354157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4200, while the sum is 28.

The square root of 12354157 is about 3514.8480763754. The cubic root of 12354157 is about 231.1733174529.

Adding to 12354157 its reverse (75145321), we get a palindrome (87499478).

The spelling of 12354157 in words is "twelve million, three hundred fifty-four thousand, one hundred fifty-seven".