12330409 has 18 divisors (see below), whose sum is σ = 15542190. Its totient is φ = 9749376.

The previous prime is 12330401. The next prime is 12330419. The reversal of 12330409 is 90403321.

12330409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 275625 + 12054784 = 525^2 + 3472^2 .

It is not a de Polignac number, because 12330409 - 2³ = 12330401 is a prime.

It is a super-2 number, since 2×12330409² = 304077972214562, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12330409.

It is not an unprimeable number, because it can be changed into a prime (12330401) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7537 + ... + 9025.

It is an arithmetic number, because the mean of its divisors is an integer number (863455).

Almost surely, 2^12330409 is an apocalyptic number.

It is an amenable number.

12330409 is a deficient number, since it is larger than the sum of its proper divisors (3211781).

12330409 is a wasteful number, since it uses less digits than its factorization.

12330409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529 (or 1509 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 12330409 is about 3511.4682114466. The cubic root of 12330409 is about 231.0250967529.

The spelling of 12330409 in words is "twelve million, three hundred thirty thousand, four hundred nine".