12271297 has 8 divisors (see below), whose sum is σ = 13296096. Its totient is φ = 11280192.

The previous prime is 12271291. The next prime is 12271313. The reversal of 12271297 is 79217221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12271297 - 2³ = 12271289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12271291) 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, 7663 + ... + 9124.

It is an arithmetic number, because the mean of its divisors is an integer number (1662012).

Almost surely, 2^12271297 is an apocalyptic number.

12271297 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12271297 is a deficient number, since it is larger than the sum of its proper divisors (1024799).

12271297 is a wasteful number, since it uses less digits than its factorization.

12271297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16847.

The product of its digits is 3528, while the sum is 31.

The square root of 12271297 is about 3503.0411073808. The cubic root of 12271297 is about 230.6553270048.

The spelling of 12271297 in words is "twelve million, two hundred seventy-one thousand, two hundred ninety-seven".