12662340 has 24 divisors (see below), whose sum is σ = 35454720. Its totient is φ = 3376608.

The previous prime is 12662333. The next prime is 12662347. The reversal of 12662340 is 4326621.

It is an interprime number because it is at equal distance from previous prime (12662333) and next prime (12662347).

It is a self number, because there is not a number n which added to its sum of digits gives 12662340.

It is not an unprimeable number, because it can be changed into a prime (12662347) 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, 105460 + ... + 105579.

It is an arithmetic number, because the mean of its divisors is an integer number (1477280).

Almost surely, 2^12662340 is an apocalyptic number.

12662340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12662340 is an abundant number, since it is smaller than the sum of its proper divisors (22792380).

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

12662340 is a wasteful number, since it uses less digits than its factorization.

12662340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211051 (or 211049 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 12662340 is about 3558.4181879032. The cubic root of 12662340 is about 233.0798108090.

Adding to 12662340 its reverse (4326621), we get a palindrome (16988961).

The spelling of 12662340 in words is "twelve million, six hundred sixty-two thousand, three hundred forty".