12076509 has 16 divisors (see below), whose sum is σ = 16853760. Its totient is φ = 7683840.

The previous prime is 12076489. The next prime is 12076513. The reversal of 12076509 is 90567021.

It is a de Polignac number, because none of the positive numbers 2^k-12076509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12076529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4737 + ... + 6825.

It is an arithmetic number, because the mean of its divisors is an integer number (1053360).

Almost surely, 2^12076509 is an apocalyptic number.

It is an amenable number.

12076509 is a deficient number, since it is larger than the sum of its proper divisors (4777251).

12076509 is a wasteful number, since it uses less digits than its factorization.

12076509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 12076509 is about 3475.1271919169. The cubic root of 12076509 is about 229.4283788834.

The spelling of 12076509 in words is "twelve million, seventy-six thousand, five hundred nine".