12340506 has 8 divisors (see below), whose sum is σ = 24681024. Its totient is φ = 4113500.

The previous prime is 12340469. The next prime is 12340507. The reversal of 12340506 is 60504321.

It is a happy number.

12340506 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

12340506 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12340507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1028370 + ... + 1028381.

It is an arithmetic number, because the mean of its divisors is an integer number (3085128).

Almost surely, 2^12340506 is an apocalyptic number.

12340506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12340506 is a wasteful number, since it uses less digits than its factorization.

12340506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056756.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 12340506 is about 3512.9056349410. The cubic root of 12340506 is about 231.0881393759.

Adding to 12340506 its reverse (60504321), we get a palindrome (72844827).

The spelling of 12340506 in words is "twelve million, three hundred forty thousand, five hundred six".