12145488 has 40 divisors (see below), whose sum is σ = 31503936. Its totient is φ = 4032000.

The previous prime is 12145477. The next prime is 12145493. The reversal of 12145488 is 88454121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18933 + ... + 19563.

Almost surely, 2^12145488 is an apocalyptic number.

It is an amenable number.

12145488 is an abundant number, since it is smaller than the sum of its proper divisors (19358448).

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

12145488 is a wasteful number, since it uses less digits than its factorization.

12145488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043 (or 1037 counting only the distinct ones).

The product of its digits is 10240, while the sum is 33.

The square root of 12145488 is about 3485.0377329378. The cubic root of 12145488 is about 229.8643686790.

The spelling of 12145488 in words is "twelve million, one hundred forty-five thousand, four hundred eighty-eight".