13022426 has 8 divisors (see below), whose sum is σ = 19557300. Its totient is φ = 6503328.

The previous prime is 13022423. The next prime is 13022441. The reversal of 13022426 is 62422031.

It can be written as a sum of positive squares in 2 ways, for example, as 12967201 + 55225 = 3601^2 + 235^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 13022398 and 13022407.

It is not an unprimeable number, because it can be changed into a prime (13022423) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1601 + ... + 5348.

Almost surely, 2^13022426 is an apocalyptic number.

13022426 is a deficient number, since it is larger than the sum of its proper divisors (6534874).

13022426 is an equidigital number, since it uses as much as digits as its factorization.

13022426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7888.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 13022426 is about 3608.6598620541. The cubic root of 13022426 is about 235.2685988722.

Adding to 13022426 its reverse (62422031), we get a palindrome (75444457).

The spelling of 13022426 in words is "thirteen million, twenty-two thousand, four hundred twenty-six".