12099039 has 16 divisors (see below), whose sum is σ = 16752384. Its totient is φ = 7761600.

The previous prime is 12099013. The next prime is 12099041. The reversal of 12099039 is 93099021.

It is not a de Polignac number, because 12099039 - 2¹¹ = 12096991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12099049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8499 + ... + 9819.

It is an arithmetic number, because the mean of its divisors is an integer number (1047024).

Almost surely, 2^12099039 is an apocalyptic number.

12099039 is a deficient number, since it is larger than the sum of its proper divisors (4653345).

12099039 is a wasteful number, since it uses less digits than its factorization.

12099039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438.

The product of its (nonzero) digits is 4374, while the sum is 33.

The square root of 12099039 is about 3478.3672894046. The cubic root of 12099039 is about 229.5709645222.

The spelling of 12099039 in words is "twelve million, ninety-nine thousand, thirty-nine".