12304534 has 8 divisors (see below), whose sum is σ = 20134728. Its totient is φ = 5592960.

The previous prime is 12304531. The next prime is 12304541. The reversal of 12304534 is 43540321.

12304534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 559297 = 12304534 / (1 + 2 + 3 + 0 + 4 + 5 + 3 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12304531) 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, 279627 + ... + 279670.

It is an arithmetic number, because the mean of its divisors is an integer number (2516841).

Almost surely, 2^12304534 is an apocalyptic number.

12304534 is a deficient number, since it is larger than the sum of its proper divisors (7830194).

12304534 is a wasteful number, since it uses less digits than its factorization.

12304534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559310.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 12304534 is about 3507.7819202453. The cubic root of 12304534 is about 230.8633837972.

Adding to 12304534 its reverse (43540321), we get a palindrome (55844855).

The spelling of 12304534 in words is "twelve million, three hundred four thousand, five hundred thirty-four".