12540703 has 8 divisors (see below), whose sum is σ = 15086720. Its totient is φ = 10183320.

The previous prime is 12540691. The next prime is 12540733. The reversal of 12540703 is 30704521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12540703 - 2²¹ = 10443551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12540733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47013 + ... + 47278.

It is an arithmetic number, because the mean of its divisors is an integer number (1885840).

Almost surely, 2^12540703 is an apocalyptic number.

12540703 is a deficient number, since it is larger than the sum of its proper divisors (2546017).

12540703 is an equidigital number, since it uses as much as digits as its factorization.

12540703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94317.

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

The square root of 12540703 is about 3541.2855010575. The cubic root of 12540703 is about 232.3310708767.

The spelling of 12540703 in words is "twelve million, five hundred forty thousand, seven hundred three".