12207939 has 8 divisors (see below), whose sum is σ = 16330512. Its totient is φ = 8112000.

The previous prime is 12207931. The next prime is 12207941. The reversal of 12207939 is 93970221.

12207939 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12207939 - 2³ = 12207931 is a prime.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12207931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5562 + ... + 7439.

It is an arithmetic number, because the mean of its divisors is an integer number (2041314).

Almost surely, 2^12207939 is an apocalyptic number.

12207939 is a deficient number, since it is larger than the sum of its proper divisors (4122573).

12207939 is a wasteful number, since it uses less digits than its factorization.

12207939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13317.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 12207939 is about 3493.9861190337. The cubic root of 12207939 is about 230.2576759234.

The spelling of 12207939 in words is "twelve million, two hundred seven thousand, nine hundred thirty-nine".