13157071 has 8 divisors (see below), whose sum is σ = 13342784. Its totient is φ = 12972960.

The previous prime is 13157033. The next prime is 13157087. The reversal of 13157071 is 17075131.

13157071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13157071 - 2¹³ = 13148879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13157021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28186 + ... + 28648.

It is an arithmetic number, because the mean of its divisors is an integer number (1667848).

Almost surely, 2^13157071 is an apocalyptic number.

13157071 is a deficient number, since it is larger than the sum of its proper divisors (185713).

13157071 is a wasteful number, since it uses less digits than its factorization.

13157071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801.

The product of its (nonzero) digits is 735, while the sum is 25.

The square root of 13157071 is about 3627.2677044850. The cubic root of 13157071 is about 236.0766712007.

The spelling of 13157071 in words is "thirteen million, one hundred fifty-seven thousand, seventy-one".