13044531 has 4 divisors (see below), whose sum is σ = 17392712. Its totient is φ = 8696352.

The previous prime is 13044517. The next prime is 13044539. The reversal of 13044531 is 13544031.

13044531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13044531 - 2⁶ = 13044467 is a prime.

It is a super-2 number, since 2×13044531² = 340319578019922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13044498 and 13044507.

It is not an unprimeable number, because it can be changed into a prime (13044539) 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, 2174086 + ... + 2174091.

It is an arithmetic number, because the mean of its divisors is an integer number (4348178).

Almost surely, 2^13044531 is an apocalyptic number.

13044531 is a deficient number, since it is larger than the sum of its proper divisors (4348181).

13044531 is an equidigital number, since it uses as much as digits as its factorization.

13044531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4348180.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 13044531 is about 3611.7213347655. The cubic root of 13044531 is about 235.4016430158.

Adding to 13044531 its reverse (13544031), we get a palindrome (26588562).

Subtracting 13044531 from its reverse (13544031), we obtain a triangular number (499500 = T₉₉₉).

The spelling of 13044531 in words is "thirteen million, forty-four thousand, five hundred thirty-one".