13758533 has 2 divisors, whose sum is σ = 13758534. Its totient is φ = 13758532.

The previous prime is 13758497. The next prime is 13758539. The reversal of 13758533 is 33585731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11303044 + 2455489 = 3362^2 + 1567^2 .

It is an emirp because it is prime and its reverse (33585731) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13758533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13758493 and 13758502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13758539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6879266 + 6879267.

It is an arithmetic number, because the mean of its divisors is an integer number (6879267).

Almost surely, 2^13758533 is an apocalyptic number.

It is an amenable number.

13758533 is a deficient number, since it is larger than the sum of its proper divisors (1).

13758533 is an equidigital number, since it uses as much as digits as its factorization.

13758533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 35.

The square root of 13758533 is about 3709.2496545798. The cubic root of 13758533 is about 239.6205404059.

The spelling of 13758533 in words is "thirteen million, seven hundred fifty-eight thousand, five hundred thirty-three".