12357740 has 12 divisors (see below), whose sum is σ = 25951296. Its totient is φ = 4943088.

The previous prime is 12357731. The next prime is 12357743. The reversal of 12357740 is 4775321.

It is not an unprimeable number, because it can be changed into a prime (12357743) by changing a digit.

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, 308924 + ... + 308963.

It is an arithmetic number, because the mean of its divisors is an integer number (2162608).

Almost surely, 2^12357740 is an apocalyptic number.

12357740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12357740 is an abundant number, since it is smaller than the sum of its proper divisors (13593556).

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

12357740 is a wasteful number, since it uses less digits than its factorization.

12357740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617896 (or 617894 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 12357740 is about 3515.3577342854. The cubic root of 12357740 is about 231.1956638834.

The spelling of 12357740 in words is "twelve million, three hundred fifty-seven thousand, seven hundred forty".