12770039 has 4 divisors (see below), whose sum is σ = 12841560. Its totient is φ = 12698520.

The previous prime is 12769993. The next prime is 12770053. The reversal of 12770039 is 93007721.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93007721 = 41 ⋅2268481.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12770039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12769993 and 12770020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12770059) 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, 35492 + ... + 35849.

It is an arithmetic number, because the mean of its divisors is an integer number (3210390).

Almost surely, 2^12770039 is an apocalyptic number.

12770039 is a deficient number, since it is larger than the sum of its proper divisors (71521).

12770039 is an equidigital number, since it uses as much as digits as its factorization.

12770039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71520.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 12770039 is about 3573.5191338511. The cubic root of 12770039 is about 233.7387629360.

The spelling of 12770039 in words is "twelve million, seven hundred seventy thousand, thirty-nine".