12299238 has 24 divisors (see below), whose sum is σ = 30455568. Its totient is φ = 3514032.

The previous prime is 12299237. The next prime is 12299239. The reversal of 12299238 is 83299221.

It is an interprime number because it is at equal distance from previous prime (12299237) and next prime (12299239).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12299237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48681 + ... + 48932.

It is an arithmetic number, because the mean of its divisors is an integer number (1268982).

Almost surely, 2^12299238 is an apocalyptic number.

12299238 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12299238 is an abundant number, since it is smaller than the sum of its proper divisors (18156330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12299238 is a wasteful number, since it uses less digits than its factorization.

12299238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97628 (or 97625 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 12299238 is about 3507.0269460043. The cubic root of 12299238 is about 230.8302570398.

The spelling of 12299238 in words is "twelve million, two hundred ninety-nine thousand, two hundred thirty-eight".