13131441 has 12 divisors (see below), whose sum is σ = 19069440. Its totient is φ = 8707320.

The previous prime is 13131421. The next prime is 13131449. The reversal of 13131441 is 14413131.

13131441 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13131441 - 2¹¹ = 13129393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13131449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2101 + ... + 5538.

It is an arithmetic number, because the mean of its divisors is an integer number (1589120).

Almost surely, 2^13131441 is an apocalyptic number.

It is an amenable number.

13131441 is a deficient number, since it is larger than the sum of its proper divisors (5937999).

13131441 is a wasteful number, since it uses less digits than its factorization.

13131441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7836 (or 7833 counting only the distinct ones).

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

The square root of 13131441 is about 3623.7330199671. The cubic root of 13131441 is about 235.9232789493.

Adding to 13131441 its reverse (14413131), we get a palindrome (27544572).

The spelling of 13131441 in words is "thirteen million, one hundred thirty-one thousand, four hundred forty-one".