12304621 has 8 divisors (see below), whose sum is σ = 14093504. Its totient is φ = 10523520.

The previous prime is 12304601. The next prime is 12304631. The reversal of 12304621 is 12640321.

12304621 is digitally balanced in base 3, 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 not a de Polignac number, because 12304621 - 2¹⁷ = 12173549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12304601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1981 + ... + 5341.

It is an arithmetic number, because the mean of its divisors is an integer number (1761688).

Almost surely, 2^12304621 is an apocalyptic number.

It is an amenable number.

12304621 is a deficient number, since it is larger than the sum of its proper divisors (1788883).

12304621 is an equidigital number, since it uses as much as digits as its factorization.

12304621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3891.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 12304621 is about 3507.7943212224. The cubic root of 12304621 is about 230.8639279074.

Adding to 12304621 its reverse (12640321), we get a palindrome (24944942).

The spelling of 12304621 in words is "twelve million, three hundred four thousand, six hundred twenty-one".