12245615 has 16 divisors (see below), whose sum is σ = 15178752. Its totient is φ = 9478944.

The previous prime is 12245603. The next prime is 12245617. The reversal of 12245615 is 51654221.

12245615 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12245615 - 2¹² = 12241519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12245617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24902 + ... + 25388.

It is an arithmetic number, because the mean of its divisors is an integer number (948672).

Almost surely, 2^12245615 is an apocalyptic number.

12245615 is a deficient number, since it is larger than the sum of its proper divisors (2933137).

12245615 is a wasteful number, since it uses less digits than its factorization.

12245615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646.

The product of its digits is 2400, while the sum is 26.

The square root of 12245615 is about 3499.3735153596. The cubic root of 12245615 is about 230.4943055201.

Adding to 12245615 its reverse (51654221), we get a palindrome (63899836).

The spelling of 12245615 in words is "twelve million, two hundred forty-five thousand, six hundred fifteen".