13113404 has 12 divisors (see below), whose sum is σ = 23946384. Its totient is φ = 6271584.

The previous prime is 13113391. The next prime is 13113407. The reversal of 13113404 is 40431131.

It is a super-2 number, since 2×13113404² = 343922728934432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13113407) 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, 71177 + ... + 71360.

It is an arithmetic number, because the mean of its divisors is an integer number (1995532).

Almost surely, 2^13113404 is an apocalyptic number.

It is an amenable number.

13113404 is a deficient number, since it is larger than the sum of its proper divisors (10832980).

13113404 is a wasteful number, since it uses less digits than its factorization.

13113404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142564 (or 142562 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 13113404 is about 3621.2434328556. The cubic root of 13113404 is about 235.8152101289.

Adding to 13113404 its reverse (40431131), we get a palindrome (53544535).

It can be divided in two parts, 1311 and 3404, that multiplied together give a palindrome (4462644).

The spelling of 13113404 in words is "thirteen million, one hundred thirteen thousand, four hundred four".