12011796 has 72 divisors (see below), whose sum is σ = 32235840. Its totient is φ = 3763584.

The previous prime is 12011789. The next prime is 12011807. The reversal of 12011796 is 69711021.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 73611 + ... + 73773.

It is an arithmetic number, because the mean of its divisors is an integer number (447720).

Almost surely, 2^12011796 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12011796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16117920).

12011796 is an abundant number, since it is smaller than the sum of its proper divisors (20224044).

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

12011796 is a wasteful number, since it uses less digits than its factorization.

12011796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 12011796 is about 3465.8038028717. The cubic root of 12011796 is about 229.0178408836.

The spelling of 12011796 in words is "twelve million, eleven thousand, seven hundred ninety-six".