12340258 has 12 divisors (see below), whose sum is σ = 21532662. Its totient is φ = 5288640.

The previous prime is 12340199. The next prime is 12340271. The reversal of 12340258 is 85204321.

It can be written as a sum of positive squares in only one way, i.e., 12299049 + 41209 = 3507^2 + 203^2 .

It is a super-3 number, since 3×12340258³ (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62863 + ... + 63058.

Almost surely, 2^12340258 is an apocalyptic number.

12340258 is a deficient number, since it is larger than the sum of its proper divisors (9192404).

12340258 is a wasteful number, since it uses less digits than its factorization.

12340258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125937 (or 125930 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 12340258 is about 3512.8703363489. The cubic root of 12340258 is about 231.0865913507.

Adding to 12340258 its reverse (85204321), we get a palindrome (97544579).

The spelling of 12340258 in words is "twelve million, three hundred forty thousand, two hundred fifty-eight".