12761943 has 12 divisors (see below), whose sum is σ = 17648760. Its totient is φ = 8193136.

The previous prime is 12761921. The next prime is 12761971. The reversal of 12761943 is 34916721.

It is not a de Polignac number, because 12761943 - 2⁵ = 12761911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12761143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33130 + ... + 33512.

It is an arithmetic number, because the mean of its divisors is an integer number (1470730).

Almost surely, 2^12761943 is an apocalyptic number.

12761943 is a deficient number, since it is larger than the sum of its proper divisors (4886817).

12761943 is an frugal number, since it uses more digits than its factorization.

12761943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798 (or 415 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 12761943 is about 3572.3861773330. The cubic root of 12761943 is about 233.6893569509.

The spelling of 12761943 in words is "twelve million, seven hundred sixty-one thousand, nine hundred forty-three".