13157671 has 16 divisors (see below), whose sum is σ = 14515200. Its totient is φ = 11880000.

The previous prime is 13157663. The next prime is 13157689. The reversal of 13157671 is 17675131.

It is a cyclic number.

It is not a de Polignac number, because 13157671 - 2³ = 13157663 is a prime.

It is a super-2 number, since 2×13157671² = 346248612288482, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13157611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52296 + ... + 52546.

It is an arithmetic number, because the mean of its divisors is an integer number (907200).

Almost surely, 2^13157671 is an apocalyptic number.

13157671 is a deficient number, since it is larger than the sum of its proper divisors (1357529).

13157671 is a wasteful number, since it uses less digits than its factorization.

13157671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390.

The product of its digits is 4410, while the sum is 31.

The square root of 13157671 is about 3627.3504104236. The cubic root of 13157671 is about 236.0802597363.

The spelling of 13157671 in words is "thirteen million, one hundred fifty-seven thousand, six hundred seventy-one".