13611080 has 32 divisors (see below), whose sum is σ = 35000640. Its totient is φ = 4666560.

The previous prime is 13611061. The next prime is 13611083. The reversal of 13611080 is 8011631.

It is a super-2 number, since 2×13611080² = 370522997532800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (13611083) 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 7 ways as a sum of consecutive naturals, for example, 24026 + ... + 24585.

It is an arithmetic number, because the mean of its divisors is an integer number (1093770).

Almost surely, 2^13611080 is an apocalyptic number.

13611080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13611080 is an abundant number, since it is smaller than the sum of its proper divisors (21389560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13611080 is a wasteful number, since it uses less digits than its factorization.

13611080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48629 (or 48625 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 13611080 is about 3689.3197204905. The cubic root of 13611080 is about 238.7614433081.

The spelling of 13611080 in words is "thirteen million, six hundred eleven thousand, eighty".