12340997 has 8 divisors (see below), whose sum is σ = 13314456. Its totient is φ = 11395072.

The previous prime is 12340981. The next prime is 12341009. The reversal of 12340997 is 79904321.

12340997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1378276 + 10962721 = 1174^2 + 3311^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12340997 - 2⁴ = 12340981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12340907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5948 + ... + 7749.

It is an arithmetic number, because the mean of its divisors is an integer number (1664307).

Almost surely, 2^12340997 is an apocalyptic number.

12340997 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12340997 is a deficient number, since it is larger than the sum of its proper divisors (973459).

12340997 is a wasteful number, since it uses less digits than its factorization.

12340997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13767.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 12340997 is about 3512.9755194137. The cubic root of 12340997 is about 231.0912041549.

The spelling of 12340997 in words is "twelve million, three hundred forty thousand, nine hundred ninety-seven".