12036612 has 48 divisors (see below), whose sum is σ = 33989760. Its totient is φ = 3236352.

The previous prime is 12036601. The next prime is 12036623. The reversal of 12036612 is 21663021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12036601) and next prime (12036623).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2787 + ... + 5642.

It is an arithmetic number, because the mean of its divisors is an integer number (708120).

Almost surely, 2^12036612 is an apocalyptic number.

12036612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12036612 is an abundant number, since it is smaller than the sum of its proper divisors (21953148).

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

12036612 is a wasteful number, since it uses less digits than its factorization.

12036612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8460 (or 8458 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 12036612 is about 3469.3820775464. The cubic root of 12036612 is about 229.1754469951.

Adding to 12036612 its reverse (21663021), we get a palindrome (33699633).

The spelling of 12036612 in words is "twelve million, thirty-six thousand, six hundred twelve".