12061081 has 2 divisors, whose sum is σ = 12061082. Its totient is φ = 12061080.

The previous prime is 12061079. The next prime is 12061087. The reversal of 12061081 is 18016021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10621081 + 1440000 = 3259^2 + 1200^2 .

It is an emirp because it is prime and its reverse (18016021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12061081 - 2¹ = 12061079 is a prime.

It is a super-2 number, since 2×12061081² = 290939349777122, which contains 22 as substring.

Together with 12061079, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12061087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6030540 + 6030541.

It is an arithmetic number, because the mean of its divisors is an integer number (6030541).

Almost surely, 2^12061081 is an apocalyptic number.

It is an amenable number.

12061081 is a deficient number, since it is larger than the sum of its proper divisors (1).

12061081 is an equidigital number, since it uses as much as digits as its factorization.

12061081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 12061081 is about 3472.9067076442. The cubic root of 12061081 is about 229.3306373530.

The spelling of 12061081 in words is "twelve million, sixty-one thousand, eighty-one".