11712612 has 24 divisors (see below), whose sum is σ = 28518336. Its totient is φ = 3734368.

The previous prime is 11712611. The next prime is 11712661. The reversal of 11712612 is 21621711.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11712611) 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, 20943 + ... + 21494.

It is an arithmetic number, because the mean of its divisors is an integer number (1188264).

Almost surely, 2^11712612 is an apocalyptic number.

11712612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11712612 is an abundant number, since it is smaller than the sum of its proper divisors (16805724).

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

11712612 is a wasteful number, since it uses less digits than its factorization.

11712612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42467 (or 42465 counting only the distinct ones).

The product of its digits is 168, while the sum is 21.

The square root of 11712612 is about 3422.3693547015. The cubic root of 11712612 is about 227.1004103384.

Subtracting 11712612 from its reverse (21621711), we obtain a palindrome (9909099).

The spelling of 11712612 in words is "eleven million, seven hundred twelve thousand, six hundred twelve".