13067531 has 2 divisors, whose sum is σ = 13067532. Its totient is φ = 13067530.

The previous prime is 13067491. The next prime is 13067533. The reversal of 13067531 is 13576031.

It is a happy number.

13067531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13067531 - 2¹⁴ = 13051147 is a prime.

It is a super-2 number, since 2×13067531² = 341520732871922, which contains 22 as substring.

Together with 13067533, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13067531.

It is not a weakly prime, because it can be changed into another prime (13067533) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6533765 + 6533766.

It is an arithmetic number, because the mean of its divisors is an integer number (6533766).

Almost surely, 2^13067531 is an apocalyptic number.

13067531 is a deficient number, since it is larger than the sum of its proper divisors (1).

13067531 is an equidigital number, since it uses as much as digits as its factorization.

13067531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 13067531 is about 3614.9040097906. The cubic root of 13067531 is about 235.5399144695.

The spelling of 13067531 in words is "thirteen million, sixty-seven thousand, five hundred thirty-one".