12473239 has 2 divisors, whose sum is σ = 12473240. Its totient is φ = 12473238.

The previous prime is 12473233. The next prime is 12473281. The reversal of 12473239 is 93237421.

It is a weak prime.

It is an emirp because it is prime and its reverse (93237421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12473239 - 2⁵ = 12473207 is a prime.

It is a super-2 number, since 2×12473239² = 311163382302242, 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 12473239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12473233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6236619 + 6236620.

It is an arithmetic number, because the mean of its divisors is an integer number (6236620).

Almost surely, 2^12473239 is an apocalyptic number.

12473239 is a deficient number, since it is larger than the sum of its proper divisors (1).

12473239 is an equidigital number, since it uses as much as digits as its factorization.

12473239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 31.

The square root of 12473239 is about 3531.7473012660. The cubic root of 12473239 is about 231.9137052720.

The spelling of 12473239 in words is "twelve million, four hundred seventy-three thousand, two hundred thirty-nine".