12431703 has 4 divisors (see below), whose sum is σ = 16575608. Its totient is φ = 8287800.

The previous prime is 12431701. The next prime is 12431711. The reversal of 12431703 is 30713421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30713421 = 3 ⋅10237807.

It is not a de Polignac number, because 12431703 - 2¹ = 12431701 is a prime.

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 12431703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12431701) 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, 2071948 + ... + 2071953.

It is an arithmetic number, because the mean of its divisors is an integer number (4143902).

Almost surely, 2^12431703 is an apocalyptic number.

12431703 is a deficient number, since it is larger than the sum of its proper divisors (4143905).

12431703 is an equidigital number, since it uses as much as digits as its factorization.

12431703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4143904.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 12431703 is about 3525.8620222578. The cubic root of 12431703 is about 231.6559940796.

The spelling of 12431703 in words is "twelve million, four hundred thirty-one thousand, seven hundred three".