13111426 has 8 divisors (see below), whose sum is σ = 20522304. Its totient is φ = 6270660.

The previous prime is 13111411. The next prime is 13111429. The reversal of 13111426 is 62411131.

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

It is not an unprimeable number, because it can be changed into a prime (13111429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142470 + ... + 142561.

It is an arithmetic number, because the mean of its divisors is an integer number (2565288).

Almost surely, 2^13111426 is an apocalyptic number.

13111426 is a deficient number, since it is larger than the sum of its proper divisors (7410878).

13111426 is a wasteful number, since it uses less digits than its factorization.

13111426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285056.

The product of its digits is 144, while the sum is 19.

The square root of 13111426 is about 3620.9703119468. The cubic root of 13111426 is about 235.8033528990.

Adding to 13111426 its reverse (62411131), we get a palindrome (75522557).

The spelling of 13111426 in words is "thirteen million, one hundred eleven thousand, four hundred twenty-six".