12248215 has 8 divisors (see below), whose sum is σ = 16797600. Its totient is φ = 8398752.

The previous prime is 12248209. The next prime is 12248219. The reversal of 12248215 is 51284221.

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

It is a cyclic number.

It is not a de Polignac number, because 12248215 - 2³ = 12248207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12248215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12248219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174940 + ... + 175009.

It is an arithmetic number, because the mean of its divisors is an integer number (2099700).

Almost surely, 2^12248215 is an apocalyptic number.

12248215 is a deficient number, since it is larger than the sum of its proper divisors (4549385).

12248215 is an equidigital number, since it uses as much as digits as its factorization.

12248215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349961.

The product of its digits is 1280, while the sum is 25.

The square root of 12248215 is about 3499.7449907100. The cubic root of 12248215 is about 230.5106172852.

The spelling of 12248215 in words is "twelve million, two hundred forty-eight thousand, two hundred fifteen".