12512703 has 8 divisors (see below), whose sum is σ = 19067008. Its totient is φ = 7150104.

The previous prime is 12512693. The next prime is 12512723. The reversal of 12512703 is 30721521.

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

It is not a de Polignac number, because 12512703 - 2⁶ = 12512639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 595843 = 12512703 / (1 + 2 + 5 + 1 + 2 + 7 + 0 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12512703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12512723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297901 + ... + 297942.

It is an arithmetic number, because the mean of its divisors is an integer number (2383376).

Almost surely, 2^12512703 is an apocalyptic number.

12512703 is a deficient number, since it is larger than the sum of its proper divisors (6554305).

12512703 is an equidigital number, since it uses as much as digits as its factorization.

12512703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595853.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 12512703 is about 3537.3299252402. The cubic root of 12512703 is about 232.1580312020.

The spelling of 12512703 in words is "twelve million, five hundred twelve thousand, seven hundred three".