12293215 has 16 divisors (see below), whose sum is σ = 16259616. Its totient is φ = 8848000.

The previous prime is 12293189. The next prime is 12293221. The reversal of 12293215 is 51239221.

It is a happy number.

It is not a de Polignac number, because 12293215 - 2¹³ = 12285023 is a prime.

It is a super-2 number, since 2×12293215² = 302246270072450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12293215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4449 + ... + 6661.

It is an arithmetic number, because the mean of its divisors is an integer number (1016226).

Almost surely, 2^12293215 is an apocalyptic number.

12293215 is a deficient number, since it is larger than the sum of its proper divisors (3966401).

12293215 is a wasteful number, since it uses less digits than its factorization.

12293215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330.

The product of its digits is 1080, while the sum is 25.

The square root of 12293215 is about 3506.1681362992. The cubic root of 12293215 is about 230.7925713002.

It can be divided in two parts, 1229 and 3215, that added together give a palindrome (4444).

The spelling of 12293215 in words is "twelve million, two hundred ninety-three thousand, two hundred fifteen".