12836423 has 4 divisors (see below), whose sum is σ = 12850368. Its totient is φ = 12822480.

The previous prime is 12836401. The next prime is 12836431. The reversal of 12836423 is 32463821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32463821 = 13 ⋅2497217.

It is a cyclic number.

It is not a de Polignac number, because 12836423 - 2²² = 8642119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12836023) 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, 5486 + ... + 7467.

It is an arithmetic number, because the mean of its divisors is an integer number (3212592).

Almost surely, 2^12836423 is an apocalyptic number.

12836423 is a deficient number, since it is larger than the sum of its proper divisors (13945).

12836423 is an equidigital number, since it uses as much as digits as its factorization.

12836423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13944.

The product of its digits is 6912, while the sum is 29.

The square root of 12836423 is about 3582.7954169894. The cubic root of 12836423 is about 234.1430870552.

The spelling of 12836423 in words is "twelve million, eight hundred thirty-six thousand, four hundred twenty-three".