13023541 has 2 divisors, whose sum is σ = 13023542. Its totient is φ = 13023540.

The previous prime is 13023529. The next prime is 13023551. The reversal of 13023541 is 14532031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9302500 + 3721041 = 3050^2 + 1929^2 .

It is an emirp because it is prime and its reverse (14532031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13023541 - 2⁵ = 13023509 is a prime.

It is a super-2 number, since 2×13023541² = 339225240357362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13023551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6511770 + 6511771.

It is an arithmetic number, because the mean of its divisors is an integer number (6511771).

Almost surely, 2^13023541 is an apocalyptic number.

It is an amenable number.

13023541 is a deficient number, since it is larger than the sum of its proper divisors (1).

13023541 is an equidigital number, since it uses as much as digits as its factorization.

13023541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 13023541 is about 3608.8143482313. The cubic root of 13023541 is about 235.2753133661.

Adding to 13023541 its reverse (14532031), we get a palindrome (27555572).

The spelling of 13023541 in words is "thirteen million, twenty-three thousand, five hundred forty-one".