13161077 has 4 divisors (see below), whose sum is σ = 13935276. Its totient is φ = 12386880.

The previous prime is 13161073. The next prime is 13161079. The reversal of 13161077 is 77016131.

13161077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77016131 = 263 ⋅292837.

It can be written as a sum of positive squares in 2 ways, for example, as 4363921 + 8797156 = 2089^2 + 2966^2 .

It is not a de Polignac number, because 13161077 - 2² = 13161073 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 (13161073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387074 + ... + 387107.

It is an arithmetic number, because the mean of its divisors is an integer number (3483819).

Almost surely, 2^13161077 is an apocalyptic number.

13161077 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13161077 is a deficient number, since it is larger than the sum of its proper divisors (774199).

13161077 is an equidigital number, since it uses as much as digits as its factorization.

13161077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774198.

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 13161077 is about 3627.8198687366. The cubic root of 13161077 is about 236.1006285891.

The spelling of 13161077 in words is "thirteen million, one hundred sixty-one thousand, seventy-seven".