12328406 has 4 divisors (see below), whose sum is σ = 18492612. Its totient is φ = 6164202.

The previous prime is 12328403. The next prime is 12328411. The reversal of 12328406 is 60482321.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12328403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3082100 + ... + 3082103.

It is an arithmetic number, because the mean of its divisors is an integer number (4623153).

Almost surely, 2^12328406 is an apocalyptic number.

12328406 is a deficient number, since it is larger than the sum of its proper divisors (6164206).

12328406 is an equidigital number, since it uses as much as digits as its factorization.

12328406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6164205.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 12328406 is about 3511.1829915286. The cubic root of 12328406 is about 231.0125865346.

The spelling of 12328406 in words is "twelve million, three hundred twenty-eight thousand, four hundred six".