12206445 has 16 divisors (see below), whose sum is σ = 20380032. Its totient is φ = 6226880.

The previous prime is 12206437. The next prime is 12206473. The reversal of 12206445 is 54460221.

12206445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12206445 - 2³ = 12206437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17346 + ... + 18035.

It is an arithmetic number, because the mean of its divisors is an integer number (1273752).

Almost surely, 2^12206445 is an apocalyptic number.

12206445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12206445 is a deficient number, since it is larger than the sum of its proper divisors (8173587).

12206445 is a wasteful number, since it uses less digits than its factorization.

12206445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35412.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 12206445 is about 3493.7723165656. The cubic root of 12206445 is about 230.2482826097.

Adding to 12206445 its reverse (54460221), we get a palindrome (66666666).

The spelling of 12206445 in words is "twelve million, two hundred six thousand, four hundred forty-five".