12852739 has 4 divisors (see below), whose sum is σ = 12882856. Its totient is φ = 12822624.

The previous prime is 12852701. The next prime is 12852751. The reversal of 12852739 is 93725821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93725821 = 7 ⋅13389403.

It is a cyclic number.

It is not a de Polignac number, because 12852739 - 2⁷ = 12852611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12852698 and 12852707.

It is not an unprimeable number, because it can be changed into a prime (12852769) 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, 14409 + ... + 15274.

It is an arithmetic number, because the mean of its divisors is an integer number (3220714).

Almost surely, 2^12852739 is an apocalyptic number.

12852739 is a deficient number, since it is larger than the sum of its proper divisors (30117).

12852739 is an equidigital number, since it uses as much as digits as its factorization.

12852739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30116.

The product of its digits is 30240, while the sum is 37.

The square root of 12852739 is about 3585.0716868704. The cubic root of 12852739 is about 234.2422491852.

The spelling of 12852739 in words is "twelve million, eight hundred fifty-two thousand, seven hundred thirty-nine".