12247340 has 24 divisors (see below), whose sum is σ = 29393952. Its totient is φ = 4199040.

The previous prime is 12247297. The next prime is 12247357. The reversal of 12247340 is 4374221.

12247340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 43601 + ... + 43880.

It is an arithmetic number, because the mean of its divisors is an integer number (1224748).

Almost surely, 2^12247340 is an apocalyptic number.

12247340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12247340 is an abundant number, since it is smaller than the sum of its proper divisors (17146612).

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

12247340 is a wasteful number, since it uses less digits than its factorization.

12247340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87497 (or 87495 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 12247340 is about 3499.6199793692. The cubic root of 12247340 is about 230.5051280066.

The spelling of 12247340 in words is "twelve million, two hundred forty-seven thousand, three hundred forty".