12408733 has 4 divisors (see below), whose sum is σ = 12427740. Its totient is φ = 12389728.

The previous prime is 12408709. The next prime is 12408743. The reversal of 12408733 is 33780421.

12408733 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10227204 + 2181529 = 3198^2 + 1477^2 .

It is a cyclic number.

It is not a de Polignac number, because 12408733 - 2¹³ = 12400541 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 (12408743) 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, 8488 + ... + 9841.

It is an arithmetic number, because the mean of its divisors is an integer number (3106935).

Almost surely, 2^12408733 is an apocalyptic number.

It is an amenable number.

12408733 is a deficient number, since it is larger than the sum of its proper divisors (19007).

12408733 is an equidigital number, since it uses as much as digits as its factorization.

12408733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19006.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 12408733 is about 3522.6031567578. The cubic root of 12408733 is about 231.5132295462.

The spelling of 12408733 in words is "twelve million, four hundred eight thousand, seven hundred thirty-three".