13157211 has 8 divisors (see below), whose sum is σ = 17588304. Its totient is φ = 8748800.

The previous prime is 13157191. The next prime is 13157231. The reversal of 13157211 is 11275131.

It is a happy number.

13157211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13157191) and next prime (13157231).

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 13157211 - 2⁹ = 13156699 is a prime.

It is a super-2 number, since 2×13157211² = 346224402597042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13157231) 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, 4266 + ... + 6671.

It is an arithmetic number, because the mean of its divisors is an integer number (2198538).

Almost surely, 2^13157211 is an apocalyptic number.

13157211 is a deficient number, since it is larger than the sum of its proper divisors (4431093).

13157211 is a wasteful number, since it uses less digits than its factorization.

13157211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11341.

The product of its digits is 210, while the sum is 21.

The square root of 13157211 is about 3627.2870027060. The cubic root of 13157211 is about 236.0775085355.

The spelling of 13157211 in words is "thirteen million, one hundred fifty-seven thousand, two hundred eleven".