12689703 has 42 divisors (see below), whose sum is σ = 20801976. Its totient is φ = 7733232.

The previous prime is 12689693. The next prime is 12689711. The reversal of 12689703 is 30798621.

It is not a de Polignac number, because 12689703 - 2⁶ = 12689639 is a prime.

It is a super-2 number, since 2×12689703² = 322057124456418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12689783) by changing a digit.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 123150 + ... + 123252.

Almost surely, 2^12689703 is an apocalyptic number.

12689703 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12689703 is a deficient number, since it is larger than the sum of its proper divisors (8112273).

12689703 is an equidigital number, since it uses as much as digits as its factorization.

12689703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 12689703 is about 3562.2609393474. The cubic root of 12689703 is about 233.2475832299.

The spelling of 12689703 in words is "twelve million, six hundred eighty-nine thousand, seven hundred three".