12710540 has 12 divisors (see below), whose sum is σ = 26692176. Its totient is φ = 5084208.

The previous prime is 12710531. The next prime is 12710557. The reversal of 12710540 is 4501721.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 635527 = 12710540 / (1 + 2 + 7 + 1 + 0 + 5 + 4 + 0).

It is an unprimeable number.

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, 317744 + ... + 317783.

It is an arithmetic number, because the mean of its divisors is an integer number (2224348).

Almost surely, 2^12710540 is an apocalyptic number.

12710540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12710540 is an abundant number, since it is smaller than the sum of its proper divisors (13981636).

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

12710540 is a wasteful number, since it uses less digits than its factorization.

12710540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635536 (or 635534 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 12710540 is about 3565.1844272071. The cubic root of 12710540 is about 233.3751807030.

The spelling of 12710540 in words is "twelve million, seven hundred ten thousand, five hundred forty".