12650006943 has 36 divisors (see below), whose sum is σ = 21603949848. Its totient is φ = 7110059040.

The previous prime is 12650006939. The next prime is 12650006947. The reversal of 12650006943 is 34960005621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12650006939) and next prime (12650006947).

It is not a de Polignac number, because 12650006943 - 2² = 12650006939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12650006898 and 12650006907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12650006947) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 208221 + ... + 262022.

It is an arithmetic number, because the mean of its divisors is an integer number (600109718).

Almost surely, 2^12650006943 is an apocalyptic number.

12650006943 is a deficient number, since it is larger than the sum of its proper divisors (8953942905).

12650006943 is a wasteful number, since it uses less digits than its factorization.

12650006943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470324 (or 470314 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 12650006943 in words is "twelve billion, six hundred fifty million, six thousand, nine hundred forty-three".