12389633 has 8 divisors (see below), whose sum is σ = 12854688. Its totient is φ = 11932704.

The previous prime is 12389627. The next prime is 12389639. The reversal of 12389633 is 33698321.

It is an interprime number because it is at equal distance from previous prime (12389627) and next prime (12389639).

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

It is a cyclic number.

It is not a de Polignac number, because 12389633 - 2¹⁰ = 12388609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12389593 and 12389602.

It is not an unprimeable number, because it can be changed into a prime (12389639) 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, 1166 + ... + 5112.

It is an arithmetic number, because the mean of its divisors is an integer number (1606836).

Almost surely, 2^12389633 is an apocalyptic number.

It is an amenable number.

12389633 is a deficient number, since it is larger than the sum of its proper divisors (465055).

12389633 is an equidigital number, since it uses as much as digits as its factorization.

12389633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4063.

The product of its digits is 23328, while the sum is 35.

The square root of 12389633 is about 3519.8910494503. The cubic root of 12389633 is about 231.3943838533.

The spelling of 12389633 in words is "twelve million, three hundred eighty-nine thousand, six hundred thirty-three".