12013061 has 6 divisors (see below), whose sum is σ = 12558630. Its totient is φ = 11490248.

The previous prime is 12013021. The next prime is 12013069. The reversal of 12013061 is 16031021.

12013061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6400900 + 5612161 = 2530^2 + 2369^2 .

It is not a de Polignac number, because 12013061 - 2¹⁰ = 12012037 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 (12013069) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10826 + ... + 11883.

It is an arithmetic number, because the mean of its divisors is an integer number (2093105).

Almost surely, 2^12013061 is an apocalyptic number.

It is an amenable number.

12013061 is a deficient number, since it is larger than the sum of its proper divisors (545569).

12013061 is an equidigital number, since it uses as much as digits as its factorization.

12013061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22755 (or 22732 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 12013061 is about 3465.9862954143. The cubic root of 12013061 is about 229.0258801310.

Adding to 12013061 its reverse (16031021), we get a palindrome (28044082).

The spelling of 12013061 in words is "twelve million, thirteen thousand, sixty-one".