12927540 has 24 divisors (see below), whose sum is σ = 36197280. Its totient is φ = 3447328.

The previous prime is 12927529. The next prime is 12927571. The reversal of 12927540 is 4572921.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 12927498 and 12927507.

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, 107670 + ... + 107789.

It is an arithmetic number, because the mean of its divisors is an integer number (1508220).

Almost surely, 2^12927540 is an apocalyptic number.

12927540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12927540 is an abundant number, since it is smaller than the sum of its proper divisors (23269740).

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

12927540 is a wasteful number, since it uses less digits than its factorization.

12927540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215471 (or 215469 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 12927540 is about 3595.4888401996. The cubic root of 12927540 is about 234.6957886479.

The spelling of 12927540 in words is "twelve million, nine hundred twenty-seven thousand, five hundred forty".