12000631 has 4 divisors (see below), whose sum is σ = 12227112. Its totient is φ = 11774152.

The previous prime is 12000629. The next prime is 12000643. The reversal of 12000631 is 13600021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13600021 = 107 ⋅127103.

It is a cyclic number.

It is not a de Polignac number, because 12000631 - 2¹ = 12000629 is a prime.

It is a super-2 number, since 2×12000631² = 288030288796322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113161 + ... + 113266.

It is an arithmetic number, because the mean of its divisors is an integer number (3056778).

Almost surely, 2^12000631 is an apocalyptic number.

12000631 is a deficient number, since it is larger than the sum of its proper divisors (226481).

12000631 is an equidigital number, since it uses as much as digits as its factorization.

12000631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226480.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 12000631 is about 3464.1926909455. The cubic root of 12000631 is about 228.9468612997.

Adding to 12000631 its reverse (13600021), we get a palindrome (25600652).

The spelling of 12000631 in words is "twelve million, six hundred thirty-one", and thus it is an aban number.