12147484 has 6 divisors (see below), whose sum is σ = 21258104. Its totient is φ = 6073740.

The previous prime is 12147463. The next prime is 12147529. The reversal of 12147484 is 48474121.

It is a happy number.

It is a super-2 number, since 2×12147484² = 295122735060512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1518432 + ... + 1518439.

Almost surely, 2^12147484 is an apocalyptic number.

It is an amenable number.

12147484 is a deficient number, since it is larger than the sum of its proper divisors (9110620).

12147484 is a wasteful number, since it uses less digits than its factorization.

12147484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3036875 (or 3036873 counting only the distinct ones).

The product of its digits is 7168, while the sum is 31.

The square root of 12147484 is about 3485.3240882305. The cubic root of 12147484 is about 229.8769600256.

The spelling of 12147484 in words is "twelve million, one hundred forty-seven thousand, four hundred eighty-four".