13113442 has 8 divisors (see below), whose sum is σ = 19703232. Its totient is φ = 6545700.

The previous prime is 13113431. The next prime is 13113467. The reversal of 13113442 is 24431131.

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

It is a super-2 number, since 2×13113442² = 343924722174728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3934 + ... + 6457.

It is an arithmetic number, because the mean of its divisors is an integer number (2462904).

Almost surely, 2^13113442 is an apocalyptic number.

13113442 is a deficient number, since it is larger than the sum of its proper divisors (6589790).

13113442 is a wasteful number, since it uses less digits than its factorization.

13113442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11024.

The product of its digits is 288, while the sum is 19.

The square root of 13113442 is about 3621.2486796684. The cubic root of 13113442 is about 235.8154379104.

Adding to 13113442 its reverse (24431131), we get a palindrome (37544573).

It can be divided in two parts, 1311 and 3442, that added together give a triangular number (4753 = T₉₇).

The spelling of 13113442 in words is "thirteen million, one hundred thirteen thousand, four hundred forty-two".