12204747 has 6 divisors (see below), whose sum is σ = 17629092. Its totient is φ = 8136492.

The previous prime is 12204727. The next prime is 12204761. The reversal of 12204747 is 74740221.

It is a happy number.

It is not a de Polignac number, because 12204747 - 2¹² = 12200651 is a prime.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 12204747.

It is not an unprimeable number, because it can be changed into a prime (12204727) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 678033 + ... + 678050.

It is an arithmetic number, because the mean of its divisors is an integer number (2938182).

Almost surely, 2^12204747 is an apocalyptic number.

12204747 is a deficient number, since it is larger than the sum of its proper divisors (5424345).

12204747 is a wasteful number, since it uses less digits than its factorization.

12204747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356089 (or 1356086 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 12204747 is about 3493.5293042996. The cubic root of 12204747 is about 230.2376057442.

Adding to 12204747 its reverse (74740221), we get a palindrome (86944968).

The spelling of 12204747 in words is "twelve million, two hundred four thousand, seven hundred forty-seven".