12340969 has 2 divisors, whose sum is σ = 12340970. Its totient is φ = 12340968.

The previous prime is 12340967. The next prime is 12340981. The reversal of 12340969 is 96904321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8479744 + 3861225 = 2912^2 + 1965^2 .

It is an emirp because it is prime and its reverse (96904321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12340969 - 2¹ = 12340967 is a prime.

It is a super-2 number, since 2×12340969² = 304599031717922, which contains 22 as substring.

Together with 12340967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12340961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6170484 + 6170485.

It is an arithmetic number, because the mean of its divisors is an integer number (6170485).

Almost surely, 2^12340969 is an apocalyptic number.

It is an amenable number.

12340969 is a deficient number, since it is larger than the sum of its proper divisors (1).

12340969 is an equidigital number, since it uses as much as digits as its factorization.

12340969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 12340969 is about 3512.9715341858. The cubic root of 12340969 is about 231.0910293835.

The spelling of 12340969 in words is "twelve million, three hundred forty thousand, nine hundred sixty-nine".