12758140 has 24 divisors (see below), whose sum is σ = 27194832. Its totient is φ = 5026560.

The previous prime is 12758111. The next prime is 12758167. The reversal of 12758140 is 4185721.

12758140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12758099 and 12758108.

It is a congruent number.

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, 3421 + ... + 6100.

It is an arithmetic number, because the mean of its divisors is an integer number (1133118).

Almost surely, 2^12758140 is an apocalyptic number.

12758140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12758140 is an abundant number, since it is smaller than the sum of its proper divisors (14436692).

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

12758140 is a wasteful number, since it uses less digits than its factorization.

12758140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9597 (or 9595 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 12758140 is about 3571.8538603924. The cubic root of 12758140 is about 233.6661418621. Note that the first 3 decimals are identical.

The spelling of 12758140 in words is "twelve million, seven hundred fifty-eight thousand, one hundred forty".