12901227 has 8 divisors (see below), whose sum is σ = 17235600. Its totient is φ = 8583840.

The previous prime is 12901223. The next prime is 12901237. The reversal of 12901227 is 72210921.

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

It is not a de Polignac number, because 12901227 - 2² = 12901223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12901197 and 12901206.

It is not an unprimeable number, because it can be changed into a prime (12901223) 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, 2352 + ... + 5597.

It is an arithmetic number, because the mean of its divisors is an integer number (2154450).

Almost surely, 2^12901227 is an apocalyptic number.

12901227 is a deficient number, since it is larger than the sum of its proper divisors (4334373).

12901227 is an equidigital number, since it uses as much as digits as its factorization.

12901227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8493.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 12901227 is about 3591.8278076768. The cubic root of 12901227 is about 234.5364454942.

The spelling of 12901227 in words is "twelve million, nine hundred one thousand, two hundred twenty-seven".