12342270 has 16 divisors (see below), whose sum is σ = 29621520. Its totient is φ = 3291264.

The previous prime is 12342263. The next prime is 12342299. The reversal of 12342270 is 7224321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205675 + ... + 205734.

It is an arithmetic number, because the mean of its divisors is an integer number (1851345).

Almost surely, 2^12342270 is an apocalyptic number.

12342270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12342270 is an abundant number, since it is smaller than the sum of its proper divisors (17279250).

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

12342270 is a wasteful number, since it uses less digits than its factorization.

12342270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411419.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 12342270 is about 3513.1567001772. The cubic root of 12342270 is about 231.0991497309.

Adding to 12342270 its reverse (7224321), we get a palindrome (19566591).

The spelling of 12342270 in words is "twelve million, three hundred forty-two thousand, two hundred seventy".