12133906 has 8 divisors (see below), whose sum is σ = 18217584. Its totient is φ = 6061380.

The previous prime is 12133897. The next prime is 12133931. The reversal of 12133906 is 60933121.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921 + ... + 5011.

It is an arithmetic number, because the mean of its divisors is an integer number (2277198).

Almost surely, 2^12133906 is an apocalyptic number.

12133906 is a deficient number, since it is larger than the sum of its proper divisors (6083678).

12133906 is a wasteful number, since it uses less digits than its factorization.

12133906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5576.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 12133906 is about 3483.3756616248. The cubic root of 12133906 is about 229.7912788253.

The spelling of 12133906 in words is "twelve million, one hundred thirty-three thousand, nine hundred six".