12006631 has 8 divisors (see below), whose sum is σ = 14777504. Its totient is φ = 9499680.

The previous prime is 12006623. The next prime is 12006649. The reversal of 12006631 is 13660021.

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

It is a cyclic number.

It is not a de Polignac number, because 12006631 - 2³ = 12006623 is a prime.

It is a super-2 number, since 2×12006631² = 288318375940322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12006599 and 12006608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12006661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65880 + ... + 66061.

It is an arithmetic number, because the mean of its divisors is an integer number (1847188).

Almost surely, 2^12006631 is an apocalyptic number.

12006631 is a deficient number, since it is larger than the sum of its proper divisors (2770873).

12006631 is a wasteful number, since it uses less digits than its factorization.

12006631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131961.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 12006631 is about 3465.0585853633. The cubic root of 12006631 is about 228.9850107464.

Adding to 12006631 its reverse (13660021), we get a palindrome (25666652).

The spelling of 12006631 in words is "twelve million, six thousand, six hundred thirty-one".