12057005 has 8 divisors (see below), whose sum is σ = 14859672. Its totient is φ = 9384768.

The previous prime is 12056981. The next prime is 12057013. The reversal of 12057005 is 50075021.

It can be written as a sum of positive squares in 4 ways, for example, as 346921 + 11710084 = 589^2 + 3422^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12057005 - 2⁸ = 12056749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32402 + ... + 32771.

It is an arithmetic number, because the mean of its divisors is an integer number (1857459).

Almost surely, 2^12057005 is an apocalyptic number.

It is an amenable number.

12057005 is a deficient number, since it is larger than the sum of its proper divisors (2802667).

12057005 is an equidigital number, since it uses as much as digits as its factorization.

12057005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65215.

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 12057005 is about 3472.3198297392. The cubic root of 12057005 is about 229.3048006143.

The spelling of 12057005 in words is "twelve million, fifty-seven thousand, five".