4012069 has 2 divisors, whose sum is σ = 4012070. Its totient is φ = 4012068.

The previous prime is 4012067. The next prime is 4012079. The reversal of 4012069 is 9602104.

4012069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3751969 + 260100 = 1937^2 + 510^2 .

It is a cyclic number.

It is not a de Polignac number, because 4012069 - 2¹ = 4012067 is a prime.

It is a super-2 number, since 2×4012069² = 32193395321522, which contains 22 as substring.

Together with 4012067, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4012067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2006034 + 2006035.

It is an arithmetic number, because the mean of its divisors is an integer number (2006035).

Almost surely, 2^4012069 is an apocalyptic number.

It is an amenable number.

4012069 is a deficient number, since it is larger than the sum of its proper divisors (1).

4012069 is an equidigital number, since it uses as much as digits as its factorization.

4012069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 4012069 is about 2003.0149774777. The cubic root of 4012069 is about 158.8995977554.

The spelling of 4012069 in words is "four million, twelve thousand, sixty-nine".