12065719 has 2 divisors, whose sum is σ = 12065720. Its totient is φ = 12065718.

The previous prime is 12065693. The next prime is 12065723. The reversal of 12065719 is 91756021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12065719 - 2⁵ = 12065687 is a prime.

It is a super-2 number, since 2×12065719² = 291163149973922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12065759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6032859 + 6032860.

It is an arithmetic number, because the mean of its divisors is an integer number (6032860).

Almost surely, 2^12065719 is an apocalyptic number.

12065719 is a deficient number, since it is larger than the sum of its proper divisors (1).

12065719 is an equidigital number, since it uses as much as digits as its factorization.

12065719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 12065719 is about 3473.5743838300. The cubic root of 12065719 is about 229.3600293892.

The spelling of 12065719 in words is "twelve million, sixty-five thousand, seven hundred nineteen".