12238512 has 80 divisors (see below), whose sum is σ = 37164288. Its totient is φ = 3421440.

The previous prime is 12238511. The next prime is 12238517. The reversal of 12238512 is 21583221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (12238511) 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, 5973 + ... + 7755.

Almost surely, 2^12238512 is an apocalyptic number.

12238512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12238512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18582144).

12238512 is an abundant number, since it is smaller than the sum of its proper divisors (24925776).

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

12238512 is a wasteful number, since it uses less digits than its factorization.

12238512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818 (or 1812 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 12238512 is about 3498.3584721981. The cubic root of 12238512 is about 230.4497312595.

The spelling of 12238512 in words is "twelve million, two hundred thirty-eight thousand, five hundred twelve".