12910039 has 4 divisors (see below), whose sum is σ = 13224960. Its totient is φ = 12595120.

The previous prime is 12910033. The next prime is 12910049. The reversal of 12910039 is 93001921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12910039 - 2³ = 12910031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12909995 and 12910022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12910031) 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, 157399 + ... + 157480.

It is an arithmetic number, because the mean of its divisors is an integer number (3306240).

Almost surely, 2^12910039 is an apocalyptic number.

12910039 is a deficient number, since it is larger than the sum of its proper divisors (314921).

12910039 is an equidigital number, since it uses as much as digits as its factorization.

12910039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314920.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 12910039 is about 3593.0542717861. The cubic root of 12910039 is about 234.5898322711.

The spelling of 12910039 in words is "twelve million, nine hundred ten thousand, thirty-nine".