12013332 has 24 divisors (see below), whose sum is σ = 28191072. Its totient is φ = 3981600.

The previous prime is 12013321. The next prime is 12013333. The reversal of 12013332 is 23331021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013333) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 594 + ... + 4937.

It is an arithmetic number, because the mean of its divisors is an integer number (1174628).

Almost surely, 2^12013332 is an apocalyptic number.

12013332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12013332 is an abundant number, since it is smaller than the sum of its proper divisors (16177740).

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

12013332 is a wasteful number, since it uses less digits than its factorization.

12013332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5719 (or 5717 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 12013332 is about 3466.0253894050. The cubic root of 12013332 is about 229.0276022995.

Adding to 12013332 its reverse (23331021), we get a palindrome (35344353).

The spelling of 12013332 in words is "twelve million, thirteen thousand, three hundred thirty-two".