12147488 has 24 divisors (see below), whose sum is σ = 24096240. Its totient is φ = 6027840.

The previous prime is 12147463. The next prime is 12147529. The reversal of 12147488 is 88474121.

It is a super-2 number, since 2×12147488² = 295122929420288, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 3083 + ... + 5813.

It is an arithmetic number, because the mean of its divisors is an integer number (1004010).

Almost surely, 2^12147488 is an apocalyptic number.

It is an amenable number.

12147488 is a deficient number, since it is larger than the sum of its proper divisors (11948752).

12147488 is a wasteful number, since it uses less digits than its factorization.

12147488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2880 (or 2872 counting only the distinct ones).

The product of its digits is 14336, while the sum is 35.

The square root of 12147488 is about 3485.3246620652. The cubic root of 12147488 is about 229.8769852574.

The spelling of 12147488 in words is "twelve million, one hundred forty-seven thousand, four hundred eighty-eight".