13161827 has 16 divisors (see below), whose sum is σ = 15628800. Its totient is φ = 10850112.

The previous prime is 13161823. The next prime is 13161829. The reversal of 13161827 is 72816131.

13161827 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13161827 - 2² = 13161823 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13161827.

It is not an unprimeable number, because it can be changed into a prime (13161823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21674 + ... + 22272.

It is an arithmetic number, because the mean of its divisors is an integer number (976800).

Almost surely, 2^13161827 is an apocalyptic number.

13161827 is a deficient number, since it is larger than the sum of its proper divisors (2466973).

13161827 is an equidigital number, since it uses as much as digits as its factorization.

13161827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722.

The product of its digits is 2016, while the sum is 29.

The square root of 13161827 is about 3627.9232351305. The cubic root of 13161827 is about 236.1051133312.

Adding to 13161827 its reverse (72816131), we get a palindrome (85977958).

The spelling of 13161827 in words is "thirteen million, one hundred sixty-one thousand, eight hundred twenty-seven".