12340961 has 2 divisors, whose sum is σ = 12340962. Its totient is φ = 12340960.

The previous prime is 12340919. The next prime is 12340967. The reversal of 12340961 is 16904321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8014561 + 4326400 = 2831^2 + 2080^2 .

It is a cyclic number.

It is not a de Polignac number, because 12340961 - 2⁶ = 12340897 is a prime.

It is a super-3 number, since 3×12340961³ (a number of 22 digits) contains 333 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12340961.

It is not a weakly prime, because it can be changed into another prime (12340967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6170480 + 6170481.

It is an arithmetic number, because the mean of its divisors is an integer number (6170481).

Almost surely, 2^12340961 is an apocalyptic number.

It is an amenable number.

12340961 is a deficient number, since it is larger than the sum of its proper divisors (1).

12340961 is an equidigital number, since it uses as much as digits as its factorization.

12340961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 12340961 is about 3512.9703955485. The cubic root of 12340961 is about 231.0909794488.

The spelling of 12340961 in words is "twelve million, three hundred forty thousand, nine hundred sixty-one".