12473287 has 4 divisors (see below), whose sum is σ = 12486960. Its totient is φ = 12459616.

The previous prime is 12473281. The next prime is 12473297. The reversal of 12473287 is 78237421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12473287 - 2⁷ = 12473159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12473281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5362 + ... + 7327.

It is an arithmetic number, because the mean of its divisors is an integer number (3121740).

Almost surely, 2^12473287 is an apocalyptic number.

12473287 is a deficient number, since it is larger than the sum of its proper divisors (13673).

12473287 is an equidigital number, since it uses as much as digits as its factorization.

12473287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13672.

The product of its digits is 18816, while the sum is 34.

The square root of 12473287 is about 3531.7540967627. The cubic root of 12473287 is about 231.9140027581.

The spelling of 12473287 in words is "twelve million, four hundred seventy-three thousand, two hundred eighty-seven".