12031488 has 120 divisors (see below), whose sum is σ = 39790608. Its totient is φ = 3428352.

The previous prime is 12031471. The next prime is 12031489. The reversal of 12031488 is 88413021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031489) 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, 32070 + ... + 32442.

Almost surely, 2^12031488 is an apocalyptic number.

12031488 is a gapful number since it is divisible by the number (18) 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 12031488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19895304).

12031488 is an abundant number, since it is smaller than the sum of its proper divisors (27759120).

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

12031488 is an equidigital number, since it uses as much as digits as its factorization.

12031488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 12031488 is about 3468.6435389068. The cubic root of 12031488 is about 229.1429222929.

The spelling of 12031488 in words is "twelve million, thirty-one thousand, four hundred eighty-eight".