12013081 has 2 divisors, whose sum is σ = 12013082. Its totient is φ = 12013080.

The previous prime is 12013069. The next prime is 12013087. The reversal of 12013081 is 18031021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11964681 + 48400 = 3459^2 + 220^2 .

It is a cyclic number.

It is not a de Polignac number, because 12013081 - 2¹⁵ = 11980313 is a prime.

It is a super-2 number, since 2×12013081² = 288628230225122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12013087) 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 as a sum of consecutive naturals, namely, 6006540 + 6006541.

It is an arithmetic number, because the mean of its divisors is an integer number (6006541).

Almost surely, 2^12013081 is an apocalyptic number.

It is an amenable number.

12013081 is a deficient number, since it is larger than the sum of its proper divisors (1).

12013081 is an equidigital number, since it uses as much as digits as its factorization.

12013081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 12013081 is about 3465.9891805948. The cubic root of 12013081 is about 229.0260072292.

The spelling of 12013081 in words is "twelve million, thirteen thousand, eighty-one".