12238655 has 16 divisors (see below), whose sum is σ = 17254944. Its totient is φ = 8215680.

The previous prime is 12238651. The next prime is 12238661. The reversal of 12238655 is 55683221.

12238655 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12238655 - 2² = 12238651 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 (12238651) 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, 7844 + ... + 9273.

It is an arithmetic number, because the mean of its divisors is an integer number (1078434).

Almost surely, 2^12238655 is an apocalyptic number.

12238655 is a deficient number, since it is larger than the sum of its proper divisors (5016289).

12238655 is a wasteful number, since it uses less digits than its factorization.

12238655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17146.

The product of its digits is 14400, while the sum is 32.

The square root of 12238655 is about 3498.3789102955. The cubic root of 12238655 is about 230.4506288137.

The spelling of 12238655 in words is "twelve million, two hundred thirty-eight thousand, six hundred fifty-five".