13240022 has 4 divisors (see below), whose sum is σ = 19860036. Its totient is φ = 6620010.

The previous prime is 13240021. The next prime is 13240049. The reversal of 13240022 is 22004231.

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

It is a junction number, because it is equal to n+sod(n) for n = 13239979 and 13240006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13240021) 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 as a sum of consecutive naturals, namely, 3310004 + ... + 3310007.

It is an arithmetic number, because the mean of its divisors is an integer number (4965009).

Almost surely, 2^13240022 is an apocalyptic number.

13240022 is a deficient number, since it is larger than the sum of its proper divisors (6620014).

13240022 is an equidigital number, since it uses as much as digits as its factorization.

13240022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6620013.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 13240022 is about 3638.6841028042. The cubic root of 13240022 is about 236.5717607521.

Adding to 13240022 its reverse (22004231), we get a palindrome (35244253).

The spelling of 13240022 in words is "thirteen million, two hundred forty thousand, twenty-two".