13661110 has 24 divisors (see below), whose sum is σ = 25033248. Its totient is φ = 5367600.

The previous prime is 13661083. The next prime is 13661191. The reversal of 13661110 is 1116631.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50275 + ... + 50545.

It is an arithmetic number, because the mean of its divisors is an integer number (1043052).

Almost surely, 2^13661110 is an apocalyptic number.

13661110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13661110 is a deficient number, since it is larger than the sum of its proper divisors (11372138).

13661110 is an equidigital number, since it uses as much as digits as its factorization.

13661110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 13661110 is about 3696.0938840890. The cubic root of 13661110 is about 239.0536226501.

Adding to 13661110 its reverse (1116631), we get a palindrome (14777741).

The spelling of 13661110 in words is "thirteen million, six hundred sixty-one thousand, one hundred ten".