13122426 has 32 divisors (see below), whose sum is σ = 28108800. Its totient is φ = 4071600.

The previous prime is 13122409. The next prime is 13122437. The reversal of 13122426 is 62422131.

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 in 15 ways as a sum of consecutive naturals, for example, 5751 + ... + 7701.

It is an arithmetic number, because the mean of its divisors is an integer number (878400).

Almost surely, 2^13122426 is an apocalyptic number.

13122426 is an abundant number, since it is smaller than the sum of its proper divisors (14986374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13122426 is a wasteful number, since it uses less digits than its factorization.

13122426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034.

The product of its digits is 576, while the sum is 21.

The square root of 13122426 is about 3622.4889233785. The cubic root of 13122426 is about 235.8692778879.

Adding to 13122426 its reverse (62422131), we get a palindrome (75544557).

The spelling of 13122426 in words is "thirteen million, one hundred twenty-two thousand, four hundred twenty-six".