13270531 has 16 divisors (see below), whose sum is σ = 14713600. Its totient is φ = 11920608.

The previous prime is 13270529. The next prime is 13270541. The reversal of 13270531 is 13507231.

13270531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13270531 - 2¹ = 13270529 is a prime.

It is a super-2 number, since 2×13270531² = 352213986043922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13270501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30010 + ... + 30448.

It is an arithmetic number, because the mean of its divisors is an integer number (919600).

Almost surely, 2^13270531 is an apocalyptic number.

13270531 is a deficient number, since it is larger than the sum of its proper divisors (1443069).

13270531 is a wasteful number, since it uses less digits than its factorization.

13270531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 13270531 is about 3642.8740027621. The cubic root of 13270531 is about 236.7533322308.

Adding to 13270531 its reverse (13507231), we get a palindrome (26777762).

The spelling of 13270531 in words is "thirteen million, two hundred seventy thousand, five hundred thirty-one".