12507703 has 4 divisors (see below), whose sum is σ = 13469848. Its totient is φ = 11545560.

The previous prime is 12507701. The next prime is 12507707. The reversal of 12507703 is 30770521.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12507703 - 2¹ = 12507701 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 (12507701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481053 + ... + 481078.

It is an arithmetic number, because the mean of its divisors is an integer number (3367462).

Almost surely, 2^12507703 is an apocalyptic number.

12507703 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12507703 is a deficient number, since it is larger than the sum of its proper divisors (962145).

12507703 is an equidigital number, since it uses as much as digits as its factorization.

12507703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962144.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 12507703 is about 3536.6231068634. The cubic root of 12507703 is about 232.1271041032.

The spelling of 12507703 in words is "twelve million, five hundred seven thousand, seven hundred three".