12823735 has 4 divisors (see below), whose sum is σ = 15388488. Its totient is φ = 10258984.

The previous prime is 12823717. The next prime is 12823747. The reversal of 12823735 is 53732821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53732821 = 6143 ⋅8747.

It is a cyclic number.

It is not a de Polignac number, because 12823735 - 2⁵ = 12823703 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12823697 and 12823706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1282369 + ... + 1282378.

It is an arithmetic number, because the mean of its divisors is an integer number (3847122).

Almost surely, 2^12823735 is an apocalyptic number.

12823735 is a deficient number, since it is larger than the sum of its proper divisors (2564753).

12823735 is an equidigital number, since it uses as much as digits as its factorization.

12823735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2564752.

The product of its digits is 10080, while the sum is 31.

The square root of 12823735 is about 3581.0242948073. The cubic root of 12823735 is about 234.0659163656.

The spelling of 12823735 in words is "twelve million, eight hundred twenty-three thousand, seven hundred thirty-five".