12039747 has 8 divisors (see below), whose sum is σ = 16203456. Its totient is φ = 7951272.

The previous prime is 12039739. The next prime is 12039751. The reversal of 12039747 is 74793021.

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

It is not a de Polignac number, because 12039747 - 2³ = 12039739 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (12039707) 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, 18433 + ... + 19074.

It is an arithmetic number, because the mean of its divisors is an integer number (2025432).

Almost surely, 2^12039747 is an apocalyptic number.

12039747 is a deficient number, since it is larger than the sum of its proper divisors (4163709).

12039747 is a wasteful number, since it uses less digits than its factorization.

12039747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37617.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 12039747 is about 3469.8338576941. The cubic root of 12039747 is about 229.1953419251.

The spelling of 12039747 in words is "twelve million, thirty-nine thousand, seven hundred forty-seven".