12131006 has 8 divisors (see below), whose sum is σ = 19154280. Its totient is φ = 5746248.

The previous prime is 12130999. The next prime is 12131017. The reversal of 12131006 is 60013121.

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

It is a super-2 number, since 2×12131006² = 294322613144072, which contains 22 as substring.

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, 159581 + ... + 159656.

It is an arithmetic number, because the mean of its divisors is an integer number (2394285).

Almost surely, 2^12131006 is an apocalyptic number.

12131006 is a deficient number, since it is larger than the sum of its proper divisors (7023274).

12131006 is a wasteful number, since it uses less digits than its factorization.

12131006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319258.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 12131006 is about 3482.9593738659. The cubic root of 12131006 is about 229.7729706837.

Adding to 12131006 its reverse (60013121), we get a palindrome (72144127).

The spelling of 12131006 in words is "twelve million, one hundred thirty-one thousand, six".