12994039 has 4 divisors (see below), whose sum is σ = 13089024. Its totient is φ = 12899056.

The previous prime is 12994031. The next prime is 12994087. The reversal of 12994039 is 93049921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93049921 = 109 ⋅853669.

It is a cyclic number.

It is not a de Polignac number, because 12994039 - 2³ = 12994031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12993989 and 12994007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12994031) 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, 47287 + ... + 47560.

It is an arithmetic number, because the mean of its divisors is an integer number (3272256).

Almost surely, 2^12994039 is an apocalyptic number.

12994039 is a deficient number, since it is larger than the sum of its proper divisors (94985).

12994039 is an equidigital number, since it uses as much as digits as its factorization.

12994039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94984.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 12994039 is about 3604.7245387130. The cubic root of 12994039 is about 235.0975240312.

The spelling of 12994039 in words is "twelve million, nine hundred ninety-four thousand, thirty-nine".