12273631 has 2 divisors, whose sum is σ = 12273632. Its totient is φ = 12273630.

The previous prime is 12273629. The next prime is 12273671. The reversal of 12273631 is 13637221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12273631 - 2¹ = 12273629 is a prime.

It is a super-2 number, since 2×12273631² = 301284035848322, which contains 22 as substring.

Together with 12273629, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12273596 and 12273605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12273671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6136815 + 6136816.

It is an arithmetic number, because the mean of its divisors is an integer number (6136816).

Almost surely, 2^12273631 is an apocalyptic number.

12273631 is a deficient number, since it is larger than the sum of its proper divisors (1).

12273631 is an equidigital number, since it uses as much as digits as its factorization.

12273631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 25.

The square root of 12273631 is about 3503.3742306525. The cubic root of 12273631 is about 230.6699496212.

The spelling of 12273631 in words is "twelve million, two hundred seventy-three thousand, six hundred thirty-one".