12056005 has 8 divisors (see below), whose sum is σ = 15580152. Its totient is φ = 8902848.

The previous prime is 12056003. The next prime is 12056027. The reversal of 12056005 is 50065021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 42849 + 12013156 = 207^2 + 3466^2 .

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 12056005 - 2¹ = 12056003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12056003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92674 + ... + 92803.

It is an arithmetic number, because the mean of its divisors is an integer number (1947519).

Almost surely, 2^12056005 is an apocalyptic number.

It is an amenable number.

12056005 is a deficient number, since it is larger than the sum of its proper divisors (3524147).

12056005 is a wasteful number, since it uses less digits than its factorization.

12056005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185495.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 12056005 is about 3472.1758308012. The cubic root of 12056005 is about 229.2984609763.

The spelling of 12056005 in words is "twelve million, fifty-six thousand, five".