12206465 has 4 divisors (see below), whose sum is σ = 14647764. Its totient is φ = 9765168.

The previous prime is 12206437. The next prime is 12206473. The reversal of 12206465 is 56460221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56460221 = 293 ⋅192697.

It can be written as a sum of positive squares in 2 ways, for example, as 7639696 + 4566769 = 2764^2 + 2137^2 .

It is a cyclic number.

It is not a de Polignac number, because 12206465 - 2⁶ = 12206401 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1220642 + ... + 1220651.

It is an arithmetic number, because the mean of its divisors is an integer number (3661941).

Almost surely, 2^12206465 is an apocalyptic number.

It is an amenable number.

12206465 is a deficient number, since it is larger than the sum of its proper divisors (2441299).

12206465 is an equidigital number, since it uses as much as digits as its factorization.

12206465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441298.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 12206465 is about 3493.7751788001. The cubic root of 12206465 is about 230.2484083619.

Adding to 12206465 its reverse (56460221), we get a palindrome (68666686).

The spelling of 12206465 in words is "twelve million, two hundred six thousand, four hundred sixty-five".