12479237 has 2 divisors, whose sum is σ = 12479238. Its totient is φ = 12479236.

The previous prime is 12479231. The next prime is 12479261. The reversal of 12479237 is 73297421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12397441 + 81796 = 3521^2 + 286^2 .

It is a cyclic number.

It is not a de Polignac number, because 12479237 - 2⁸ = 12478981 is a prime.

It is a super-2 number, since 2×12479237² = 311462712204338, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12479197 and 12479206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12479231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6239618 + 6239619.

It is an arithmetic number, because the mean of its divisors is an integer number (6239619).

Almost surely, 2^12479237 is an apocalyptic number.

It is an amenable number.

12479237 is a deficient number, since it is larger than the sum of its proper divisors (1).

12479237 is an equidigital number, since it uses as much as digits as its factorization.

12479237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 35.

The square root of 12479237 is about 3532.5963539584. The cubic root of 12479237 is about 231.9508727230.

The spelling of 12479237 in words is "twelve million, four hundred seventy-nine thousand, two hundred thirty-seven".