12027631 has 16 divisors (see below), whose sum is σ = 15095808. Its totient is φ = 9309600.

The previous prime is 12027623. The next prime is 12027647. The reversal of 12027631 is 13672021.

It is a cyclic number.

It is not a de Polignac number, because 12027631 - 2³ = 12027623 is a prime.

It is a super-2 number, since 2×12027631² = 289327814944322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12027601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13506 + ... + 14368.

It is an arithmetic number, because the mean of its divisors is an integer number (943488).

Almost surely, 2^12027631 is an apocalyptic number.

12027631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12027631 is a deficient number, since it is larger than the sum of its proper divisors (3068177).

12027631 is a wasteful number, since it uses less digits than its factorization.

12027631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 12027631 is about 3468.0875133134. The cubic root of 12027631 is about 229.1184338087.

Adding to 12027631 its reverse (13672021), we get a palindrome (25699652).

The spelling of 12027631 in words is "twelve million, twenty-seven thousand, six hundred thirty-one".