13244723 has 4 divisors (see below), whose sum is σ = 13252488. Its totient is φ = 13236960.

The previous prime is 13244687. The next prime is 13244773. The reversal of 13244723 is 32744231.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 32744231 = 13 ⋅2518787.

It is a cyclic number.

It is not a de Polignac number, because 13244723 - 2⁸ = 13244467 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13244692 and 13244701.

It is not an unprimeable number, because it can be changed into a prime (13244773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86 + ... + 5147.

It is an arithmetic number, because the mean of its divisors is an integer number (3313122).

Almost surely, 2^13244723 is an apocalyptic number.

13244723 is a deficient number, since it is larger than the sum of its proper divisors (7765).

13244723 is an equidigital number, since it uses as much as digits as its factorization.

13244723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7764.

The product of its digits is 4032, while the sum is 26.

The square root of 13244723 is about 3639.3300207593. The cubic root of 13244723 is about 236.5997564823.

Adding to 13244723 its reverse (32744231), we get a palindrome (45988954).

The spelling of 13244723 in words is "thirteen million, two hundred forty-four thousand, seven hundred twenty-three".