12169379 has 2 divisors, whose sum is σ = 12169380. Its totient is φ = 12169378.

The previous prime is 12169373. The next prime is 12169403. The reversal of 12169379 is 97396121.

It is a happy number.

12169379 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 is an emirp because it is prime and its reverse (97396121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12169379 - 2⁴ = 12169363 is a prime.

It is not a weakly prime, because it can be changed into another prime (12169373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6084689 + 6084690.

It is an arithmetic number, because the mean of its divisors is an integer number (6084690).

Almost surely, 2^12169379 is an apocalyptic number.

12169379 is a deficient number, since it is larger than the sum of its proper divisors (1).

12169379 is an equidigital number, since it uses as much as digits as its factorization.

12169379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 38.

The square root of 12169379 is about 3488.4637019754. The cubic root of 12169379 is about 230.0149895713.

The spelling of 12169379 in words is "twelve million, one hundred sixty-nine thousand, three hundred seventy-nine".