13157827 has 4 divisors (see below), whose sum is σ = 13224816. Its totient is φ = 13090840.

The previous prime is 13157821. The next prime is 13157831. The reversal of 13157827 is 72875131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72875131 = 7 ⋅10410733.

It is a cyclic number.

It is not a de Polignac number, because 13157827 - 2³ = 13157819 is a prime.

It is a super-2 number, since 2×13157827² = 346256822723858, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13157792 and 13157801.

It is not an unprimeable number, because it can be changed into a prime (13157821) 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 3 ways as a sum of consecutive naturals, for example, 33199 + ... + 33592.

It is an arithmetic number, because the mean of its divisors is an integer number (3306204).

Almost surely, 2^13157827 is an apocalyptic number.

13157827 is a deficient number, since it is larger than the sum of its proper divisors (66989).

13157827 is an equidigital number, since it uses as much as digits as its factorization.

13157827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66988.

The product of its digits is 11760, while the sum is 34.

The square root of 13157827 is about 3627.3719136587. The cubic root of 13157827 is about 236.0811927376.

The spelling of 13157827 in words is "thirteen million, one hundred fifty-seven thousand, eight hundred twenty-seven".