13189157 has 2 divisors, whose sum is σ = 13189158. Its totient is φ = 13189156.

The previous prime is 13189153. The next prime is 13189201. The reversal of 13189157 is 75198131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7043716 + 6145441 = 2654^2 + 2479^2 .

It is a cyclic number.

It is not a de Polignac number, because 13189157 - 2² = 13189153 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 (13189153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6594578 + 6594579.

It is an arithmetic number, because the mean of its divisors is an integer number (6594579).

Almost surely, 2^13189157 is an apocalyptic number.

It is an amenable number.

13189157 is a deficient number, since it is larger than the sum of its proper divisors (1).

13189157 is an equidigital number, since it uses as much as digits as its factorization.

13189157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 35.

The square root of 13189157 is about 3631.6878995861. The cubic root of 13189157 is about 236.2684212468.

The spelling of 13189157 in words is "thirteen million, one hundred eighty-nine thousand, one hundred fifty-seven".