12973227 has 8 divisors (see below), whose sum is σ = 18315216. Its totient is φ = 8140032.

The previous prime is 12973223. The next prime is 12973231. The reversal of 12973227 is 72237921.

It is an interprime number because it is at equal distance from previous prime (12973223) and next prime (12973231).

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

It is not a de Polignac number, because 12973227 - 2² = 12973223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12973223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127138 + ... + 127239.

It is an arithmetic number, because the mean of its divisors is an integer number (2289402).

Almost surely, 2^12973227 is an apocalyptic number.

12973227 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12973227 is a deficient number, since it is larger than the sum of its proper divisors (5341989).

12973227 is a wasteful number, since it uses less digits than its factorization.

12973227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254397.

The product of its digits is 10584, while the sum is 33.

The square root of 12973227 is about 3601.8366148397. The cubic root of 12973227 is about 234.9719417232.

The spelling of 12973227 in words is "twelve million, nine hundred seventy-three thousand, two hundred twenty-seven".