12357040 has 40 divisors (see below), whose sum is σ = 29091888. Its totient is φ = 4880640.

The previous prime is 12357029. The next prime is 12357067. The reversal of 12357040 is 4075321.

12357040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

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, 5710 + ... + 7570.

Almost surely, 2^12357040 is an apocalyptic number.

12357040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12357040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14545944).

12357040 is an abundant number, since it is smaller than the sum of its proper divisors (16734848).

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

12357040 is a wasteful number, since it uses less digits than its factorization.

12357040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957 (or 1951 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 12357040 is about 3515.2581697508. The cubic root of 12357040 is about 231.1912984676.

The spelling of 12357040 in words is "twelve million, three hundred fifty-seven thousand, forty".