11661612 has 24 divisors (see below), whose sum is σ = 27354096. Its totient is φ = 3866688.

The previous prime is 11661607. The next prime is 11661613. The reversal of 11661612 is 21616611.

11661612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (11661613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103 + ... + 4830.

It is an arithmetic number, because the mean of its divisors is an integer number (1139754).

Almost surely, 2^11661612 is an apocalyptic number.

11661612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11661612 is an abundant number, since it is smaller than the sum of its proper divisors (15692484).

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

11661612 is a wasteful number, since it uses less digits than its factorization.

11661612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5137 (or 5135 counting only the distinct ones).

The product of its digits is 432, while the sum is 24.

The square root of 11661612 is about 3414.9102477225. The cubic root of 11661612 is about 226.7703111168.

The spelling of 11661612 in words is "eleven million, six hundred sixty-one thousand, six hundred twelve".