12472917 has 8 divisors (see below), whose sum is σ = 17608896. Its totient is φ = 7826112.

The previous prime is 12472909. The next prime is 12472919. The reversal of 12472917 is 71927421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12472917 - 2³ = 12472909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12472919) 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 in 7 ways as a sum of consecutive naturals, for example, 122233 + ... + 122334.

It is an arithmetic number, because the mean of its divisors is an integer number (2201112).

Almost surely, 2^12472917 is an apocalyptic number.

12472917 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12472917 is a deficient number, since it is larger than the sum of its proper divisors (5135979).

12472917 is a wasteful number, since it uses less digits than its factorization.

12472917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244587.

The product of its digits is 7056, while the sum is 33.

The square root of 12472917 is about 3531.7017144714. The cubic root of 12472917 is about 231.9117096167.

The spelling of 12472917 in words is "twelve million, four hundred seventy-two thousand, nine hundred seventeen".