13117426 has 16 divisors (see below), whose sum is σ = 22538880. Its totient is φ = 5608800.

The previous prime is 13117409. The next prime is 13117427. The reversal of 13117426 is 62471131.

13117426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13117426.

It is not an unprimeable number, because it can be changed into a prime (13117427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7635 + ... + 9193.

It is an arithmetic number, because the mean of its divisors is an integer number (1408680).

Almost surely, 2^13117426 is an apocalyptic number.

13117426 is a deficient number, since it is larger than the sum of its proper divisors (9421454).

13117426 is a wasteful number, since it uses less digits than its factorization.

13117426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2169.

The product of its digits is 1008, while the sum is 25.

The square root of 13117426 is about 3621.7987243910. The cubic root of 13117426 is about 235.8393165528.

Adding to 13117426 its reverse (62471131), we get a palindrome (75588557).

The spelling of 13117426 in words is "thirteen million, one hundred seventeen thousand, four hundred twenty-six".