12206338 has 4 divisors (see below), whose sum is σ = 18309510. Its totient is φ = 6103168.

The previous prime is 12206309. The next prime is 12206339. The reversal of 12206338 is 83360221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11512449 + 693889 = 3393^2 + 833^2 .

It is not an unprimeable number, because it can be changed into a prime (12206339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3051583 + ... + 3051586.

Almost surely, 2^12206338 is an apocalyptic number.

12206338 is a deficient number, since it is larger than the sum of its proper divisors (6103172).

12206338 is an equidigital number, since it uses as much as digits as its factorization.

12206338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6103171.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 12206338 is about 3493.7570035708. The cubic root of 12206338 is about 230.2476098329.

Adding to 12206338 its reverse (83360221), we get a palindrome (95566559).

It can be divided in two parts, 12206 and 338, that multiplied together give a triangular number (4125628 = T₂₈₇₂).

The spelling of 12206338 in words is "twelve million, two hundred six thousand, three hundred thirty-eight".