12203297 has 4 divisors (see below), whose sum is σ = 12921156. Its totient is φ = 11485440.

The previous prime is 12203251. The next prime is 12203299. The reversal of 12203297 is 79230221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79230221 = 7 ⋅11318603.

It can be written as a sum of positive squares in 2 ways, for example, as 8532241 + 3671056 = 2921^2 + 1916^2 .

It is a cyclic number.

It is not a de Polignac number, because 12203297 - 2¹⁴ = 12186913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12203299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358904 + ... + 358937.

It is an arithmetic number, because the mean of its divisors is an integer number (3230289).

Almost surely, 2^12203297 is an apocalyptic number.

12203297 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12203297 is a deficient number, since it is larger than the sum of its proper divisors (717859).

12203297 is an equidigital number, since it uses as much as digits as its factorization.

12203297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717858.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 12203297 is about 3493.3217716094. The cubic root of 12203297 is about 230.2284874957.

The spelling of 12203297 in words is "twelve million, two hundred three thousand, two hundred ninety-seven".