12076945 has 4 divisors (see below), whose sum is σ = 14492340. Its totient is φ = 9661552.

The previous prime is 12076943. The next prime is 12076969. The reversal of 12076945 is 54967021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1423249 + 10653696 = 1193^2 + 3264^2 .

It is a cyclic number.

It is not a de Polignac number, because 12076945 - 2¹ = 12076943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12076945.

It is not an unprimeable number, because it can be changed into a prime (12076943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1207690 + ... + 1207699.

It is an arithmetic number, because the mean of its divisors is an integer number (3623085).

Almost surely, 2^12076945 is an apocalyptic number.

It is an amenable number.

12076945 is a deficient number, since it is larger than the sum of its proper divisors (2415395).

12076945 is an equidigital number, since it uses as much as digits as its factorization.

12076945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2415394.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 12076945 is about 3475.1899228675. The cubic root of 12076945 is about 229.4311398791.

The spelling of 12076945 in words is "twelve million, seventy-six thousand, nine hundred forty-five".