12162488 has 32 divisors (see below), whose sum is σ = 24872400. Its totient is φ = 5541888.

The previous prime is 12162487. The next prime is 12162503. The reversal of 12162488 is 88426121.

It is a happy number.

It is a super-2 number, since 2×12162488² = 295852228700288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12162481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7928 + ... + 9336.

Almost surely, 2^12162488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12162488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12436200).

12162488 is an abundant number, since it is smaller than the sum of its proper divisors (12709912).

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

12162488 is a wasteful number, since it uses less digits than its factorization.

12162488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511 (or 1507 counting only the distinct ones).

The product of its digits is 6144, while the sum is 32.

The square root of 12162488 is about 3487.4758780528. The cubic root of 12162488 is about 229.9715654829.

The spelling of 12162488 in words is "twelve million, one hundred sixty-two thousand, four hundred eighty-eight".