12372806 has 8 divisors (see below), whose sum is σ = 18575040. Its totient is φ = 6181128.

The previous prime is 12372793. The next prime is 12372809. The reversal of 12372806 is 60827321.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12372809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1760 + ... + 5276.

It is an arithmetic number, because the mean of its divisors is an integer number (2321880).

Almost surely, 2^12372806 is an apocalyptic number.

It is a pronic number, being equal to 3517×3518.

12372806 is a deficient number, since it is larger than the sum of its proper divisors (6202234).

12372806 is a wasteful number, since it uses less digits than its factorization.

12372806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5278.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 12372806 is about 3517.4999644634. The cubic root of 12372806 is about 231.2895801743.

The spelling of 12372806 in words is "twelve million, three hundred seventy-two thousand, eight hundred six".