12192769 has 2 divisors, whose sum is σ = 12192770. Its totient is φ = 12192768.

The previous prime is 12192751. The next prime is 12192793. The reversal of 12192769 is 96729121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12110400 + 82369 = 3480^2 + 287^2 .

It is an emirp because it is prime and its reverse (96729121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12192769 - 2¹³ = 12184577 is a prime.

It is a super-2 number, since 2×12192769² = 297327231774722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12192749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6096384 + 6096385.

It is an arithmetic number, because the mean of its divisors is an integer number (6096385).

Almost surely, 2^12192769 is an apocalyptic number.

It is an amenable number.

12192769 is a deficient number, since it is larger than the sum of its proper divisors (1).

12192769 is an equidigital number, since it uses as much as digits as its factorization.

12192769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 37.

The square root of 12192769 is about 3491.8145712509. The cubic root of 12192769 is about 230.1622610520.

The spelling of 12192769 in words is "twelve million, one hundred ninety-two thousand, seven hundred sixty-nine".