12119906 has 4 divisors (see below), whose sum is σ = 18179862. Its totient is φ = 6059952.

The previous prime is 12119903. The next prime is 12119923. The reversal of 12119906 is 60991121.

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

It can be written as a sum of positive squares in only one way, i.e., 6806881 + 5313025 = 2609^2 + 2305^2 .

It is not an unprimeable number, because it can be changed into a prime (12119903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3029975 + ... + 3029978.

Almost surely, 2^12119906 is an apocalyptic number.

12119906 is a deficient number, since it is larger than the sum of its proper divisors (6059956).

12119906 is an equidigital number, since it uses as much as digits as its factorization.

12119906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6059955.

The product of its (nonzero) digits is 972, while the sum is 29.

The square root of 12119906 is about 3481.3655366824. The cubic root of 12119906 is about 229.7028677240.

The spelling of 12119906 in words is "twelve million, one hundred nineteen thousand, nine hundred six".