12019069 has 2 divisors, whose sum is σ = 12019070. Its totient is φ = 12019068.

The previous prime is 12019009. The next prime is 12019081. The reversal of 12019069 is 96091021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7236100 + 4782969 = 2690^2 + 2187^2 .

It is a cyclic number.

It is not a de Polignac number, because 12019069 - 2¹¹ = 12017021 is a prime.

It is a super-2 number, since 2×12019069² = 288916039253522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12019009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6009534 + 6009535.

It is an arithmetic number, because the mean of its divisors is an integer number (6009535).

Almost surely, 2^12019069 is an apocalyptic number.

It is an amenable number.

12019069 is a deficient number, since it is larger than the sum of its proper divisors (1).

12019069 is an equidigital number, since it uses as much as digits as its factorization.

12019069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 12019069 is about 3466.8528956389. The cubic root of 12019069 is about 229.0640540864.

The spelling of 12019069 in words is "twelve million, nineteen thousand, sixty-nine".