12540710 has 32 divisors (see below), whose sum is σ = 27784512. Its totient is φ = 3968640.

The previous prime is 12540691. The next prime is 12540733. The reversal of 12540710 is 1704521.

12540710 is nontrivially palindromic in base 9.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5981 + ... + 7800.

It is an arithmetic number, because the mean of its divisors is an integer number (868266).

Almost surely, 2^12540710 is an apocalyptic number.

12540710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12540710 is an abundant number, since it is smaller than the sum of its proper divisors (15243802).

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

12540710 is a wasteful number, since it uses less digits than its factorization.

12540710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13808.

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

The square root of 12540710 is about 3541.2864893990. The cubic root of 12540710 is about 232.3311141044.

The spelling of 12540710 in words is "twelve million, five hundred forty thousand, seven hundred ten".