13022723 has 8 divisors (see below), whose sum is σ = 15105792. Its totient is φ = 10995336.

The previous prime is 13022719. The next prime is 13022729. The reversal of 13022723 is 32722031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13022723 - 2² = 13022719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13022695 and 13022704.

It is not an unprimeable number, because it can be changed into a prime (13022729) 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 7 ways as a sum of consecutive naturals, for example, 13415 + ... + 14352.

It is an arithmetic number, because the mean of its divisors is an integer number (1888224).

Almost surely, 2^13022723 is an apocalyptic number.

13022723 is a deficient number, since it is larger than the sum of its proper divisors (2083069).

13022723 is an equidigital number, since it uses as much as digits as its factorization.

13022723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27841.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 13022723 is about 3608.7010128300. The cubic root of 13022723 is about 235.2703874340.

Adding to 13022723 its reverse (32722031), we get a palindrome (45744754).

The spelling of 13022723 in words is "thirteen million, twenty-two thousand, seven hundred twenty-three".