13157611 has 2 divisors, whose sum is σ = 13157612. Its totient is φ = 13157610.

The previous prime is 13157567. The next prime is 13157647. The reversal of 13157611 is 11675131.

13157611 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 is a cyclic number.

It is not a de Polignac number, because 13157611 - 2⁷ = 13157483 is a prime.

It is not a weakly prime, because it can be changed into another prime (13137611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6578805 + 6578806.

It is an arithmetic number, because the mean of its divisors is an integer number (6578806).

Almost surely, 2^13157611 is an apocalyptic number.

13157611 is a deficient number, since it is larger than the sum of its proper divisors (1).

13157611 is an equidigital number, since it uses as much as digits as its factorization.

13157611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 630, while the sum is 25.

The square root of 13157611 is about 3627.3421399146. The cubic root of 13157611 is about 236.0799008876.

The spelling of 13157611 in words is "thirteen million, one hundred fifty-seven thousand, six hundred eleven".