12131606 has 8 divisors (see below), whose sum is σ = 18228144. Its totient is φ = 6055560.

The previous prime is 12131573. The next prime is 12131621. The reversal of 12131606 is 60613121.

12131606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

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, 3545 + ... + 6068.

It is an arithmetic number, because the mean of its divisors is an integer number (2278518).

Almost surely, 2^12131606 is an apocalyptic number.

12131606 is a deficient number, since it is larger than the sum of its proper divisors (6096538).

12131606 is an equidigital number, since it uses as much as digits as its factorization.

12131606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10246.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 12131606 is about 3483.0455064498. The cubic root of 12131606 is about 229.7767588144.

Adding to 12131606 its reverse (60613121), we get a palindrome (72744727).

The spelling of 12131606 in words is "twelve million, one hundred thirty-one thousand, six hundred six".