12773943 has 40 divisors (see below), whose sum is σ = 23499168. Its totient is φ = 6734016.

The previous prime is 12773927. The next prime is 12773951. The reversal of 12773943 is 34937721.

It is not a de Polignac number, because 12773943 - 2⁴ = 12773927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12773898 and 12773907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12773923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6505 + ... + 8237.

Almost surely, 2^12773943 is an apocalyptic number.

12773943 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12773943 is a deficient number, since it is larger than the sum of its proper divisors (10725225).

12773943 is a wasteful number, since it uses less digits than its factorization.

12773943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765 (or 1756 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 12773943 is about 3574.0653323631. The cubic root of 12773943 is about 233.7625797037.

The spelling of 12773943 in words is "twelve million, seven hundred seventy-three thousand, nine hundred forty-three".