13023922 has 4 divisors (see below), whose sum is σ = 19535886. Its totient is φ = 6511960.

The previous prime is 13023919. The next prime is 13023931. The reversal of 13023922 is 22932031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11771761 + 1252161 = 3431^2 + 1119^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13023893 and 13023902.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3255979 + ... + 3255982.

Almost surely, 2^13023922 is an apocalyptic number.

13023922 is a deficient number, since it is larger than the sum of its proper divisors (6511964).

13023922 is an equidigital number, since it uses as much as digits as its factorization.

13023922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6511963.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 13023922 is about 3608.8671352656. The cubic root of 13023922 is about 235.2776076479.

Adding to 13023922 its reverse (22932031), we get a palindrome (35955953).

The spelling of 13023922 in words is "thirteen million, twenty-three thousand, nine hundred twenty-two".