12147824 has 20 divisors (see below), whose sum is σ = 25347336. Its totient is φ = 5606592.

The previous prime is 12147823. The next prime is 12147827. The reversal of 12147824 is 42874121.

12147824 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12147823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28994 + ... + 29409.

Almost surely, 2^12147824 is an apocalyptic number.

It is an amenable number.

12147824 is an abundant number, since it is smaller than the sum of its proper divisors (13199512).

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

12147824 is a wasteful number, since it uses less digits than its factorization.

12147824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58424 (or 58418 counting only the distinct ones).

The product of its digits is 3584, while the sum is 29.

The square root of 12147824 is about 3485.3728638411. The cubic root of 12147824 is about 229.8791047067.

The spelling of 12147824 in words is "twelve million, one hundred forty-seven thousand, eight hundred twenty-four".