12215882 has 8 divisors (see below), whose sum is σ = 20941536. Its totient is φ = 5235372.

The previous prime is 12215851. The next prime is 12215897. The reversal of 12215882 is 28851221.

It is a happy number.

12215882 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436268 + ... + 436295.

It is an arithmetic number, because the mean of its divisors is an integer number (2617692).

Almost surely, 2^12215882 is an apocalyptic number.

12215882 is a deficient number, since it is larger than the sum of its proper divisors (8725654).

12215882 is an equidigital number, since it uses as much as digits as its factorization.

12215882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872572.

The product of its digits is 2560, while the sum is 29.

The square root of 12215882 is about 3495.1226015692. The cubic root of 12215882 is about 230.3076035484.

The spelling of 12215882 in words is "twelve million, two hundred fifteen thousand, eight hundred eighty-two".