12120759 has 20 divisors (see below), whose sum is σ = 20693904. Its totient is φ = 6925824.

The previous prime is 12120751. The next prime is 12120763. The reversal of 12120759 is 95702121.

It is not a de Polignac number, because 12120759 - 2³ = 12120751 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120751) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10122 + ... + 11255.

Almost surely, 2^12120759 is an apocalyptic number.

12120759 is a deficient number, since it is larger than the sum of its proper divisors (8573145).

12120759 is an equidigital number, since it uses as much as digits as its factorization.

12120759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21396 (or 21387 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 12120759 is about 3481.4880439260. The cubic root of 12120759 is about 229.7082564333.

The spelling of 12120759 in words is "twelve million, one hundred twenty thousand, seven hundred fifty-nine".