12238388 has 6 divisors (see below), whose sum is σ = 21417186. Its totient is φ = 6119192.

The previous prime is 12238367. The next prime is 12238403. The reversal of 12238388 is 88383221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11751184 + 487204 = 3428^2 + 698^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1529795 + ... + 1529802.

It is an arithmetic number, because the mean of its divisors is an integer number (3569531).

Almost surely, 2^12238388 is an apocalyptic number.

It is an amenable number.

12238388 is a deficient number, since it is larger than the sum of its proper divisors (9178798).

12238388 is a wasteful number, since it uses less digits than its factorization.

12238388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3059601 (or 3059599 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 12238388 is about 3498.3407495554. The cubic root of 12238388 is about 230.4489529551.

The spelling of 12238388 in words is "twelve million, two hundred thirty-eight thousand, three hundred eighty-eight".