12746403007 has 20 divisors (see below), whose sum is σ = 14016768056. Its totient is φ = 11588559840.

The previous prime is 12746403001. The next prime is 12746403017. The reversal of 12746403007 is 70030464721.

It is a de Polignac number, because none of the positive numbers 2^k-12746403007 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 (12746403001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1910257 + ... + 1916917.

Almost surely, 2^12746403007 is an apocalyptic number.

12746403007 is a deficient number, since it is larger than the sum of its proper divisors (1270365049).

12746403007 is an frugal number, since it uses more digits than its factorization.

12746403007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6780 (or 6741 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

Adding to 12746403007 its reverse (70030464721), we get a palindrome (82776867728).

The spelling of 12746403007 in words is "twelve billion, seven hundred forty-six million, four hundred three thousand, seven".