12355340 has 12 divisors (see below), whose sum is σ = 25946256. Its totient is φ = 4942128.

The previous prime is 12355337. The next prime is 12355351. The reversal of 12355340 is 4355321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308864 + ... + 308903.

It is an arithmetic number, because the mean of its divisors is an integer number (2162188).

Almost surely, 2^12355340 is an apocalyptic number.

12355340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12355340 is an abundant number, since it is smaller than the sum of its proper divisors (13590916).

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

12355340 is a wasteful number, since it uses less digits than its factorization.

12355340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617776 (or 617774 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 12355340 is about 3515.0163584257. The cubic root of 12355340 is about 231.1806960571.

The spelling of 12355340 in words is "twelve million, three hundred fifty-five thousand, three hundred forty".