12276631 has 2 divisors, whose sum is σ = 12276632. Its totient is φ = 12276630.

The previous prime is 12276581. The next prime is 12276643. The reversal of 12276631 is 13667221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12276631 - 2¹³ = 12268439 is a prime.

It is a super-2 number, since 2×12276631² = 301431337420322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12276631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12276331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6138315 + 6138316.

It is an arithmetic number, because the mean of its divisors is an integer number (6138316).

Almost surely, 2^12276631 is an apocalyptic number.

12276631 is a deficient number, since it is larger than the sum of its proper divisors (1).

12276631 is an equidigital number, since it uses as much as digits as its factorization.

12276631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 28.

The square root of 12276631 is about 3503.8023631478. The cubic root of 12276631 is about 230.6887420355.

It can be divided in two parts, 1227663 and 1, that added together give a square (1227664 = 1108²).

The spelling of 12276631 in words is "twelve million, two hundred seventy-six thousand, six hundred thirty-one".