13113441 has 32 divisors (see below), whose sum is σ = 21542400. Its totient is φ = 7817040.

The previous prime is 13113431. The next prime is 13113467. The reversal of 13113441 is 14431131.

It is not a de Polignac number, because 13113441 - 2⁶ = 13113377 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13113431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19570 + ... + 20228.

It is an arithmetic number, because the mean of its divisors is an integer number (673200).

Almost surely, 2^13113441 is an apocalyptic number.

13113441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13113441 is a deficient number, since it is larger than the sum of its proper divisors (8428959).

13113441 is a wasteful number, since it uses less digits than its factorization.

13113441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746 (or 740 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 13113441 is about 3621.2485415945. The cubic root of 13113441 is about 235.8154319161.

Adding to 13113441 its reverse (14431131), we get a palindrome (27544572).

The spelling of 13113441 in words is "thirteen million, one hundred thirteen thousand, four hundred forty-one".