12215032 has 32 divisors (see below), whose sum is σ = 24350400. Its totient is φ = 5733504.

The previous prime is 12214999. The next prime is 12215033. The reversal of 12215032 is 23051221.

It is a super-2 number, since 2×12215032² = 298414013522048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12214997 and 12215015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12215033) 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, 7873 + ... + 9295.

It is an arithmetic number, because the mean of its divisors is an integer number (760950).

Almost surely, 2^12215032 is an apocalyptic number.

It is an amenable number.

12215032 is a deficient number, since it is larger than the sum of its proper divisors (12135368).

12215032 is a wasteful number, since it uses less digits than its factorization.

12215032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495 (or 1491 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 12215032 is about 3495.0010014305. The cubic root of 12215032 is about 230.3022617045.

Adding to 12215032 its reverse (23051221), we get a palindrome (35266253).

The spelling of 12215032 in words is "twelve million, two hundred fifteen thousand, thirty-two".