13793569 has 4 divisors (see below), whose sum is σ = 13982596. Its totient is φ = 13604544.

The previous prime is 13793557. The next prime is 13793573. The reversal of 13793569 is 96539731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96539731 = 1087 ⋅88813.

It can be written as a sum of positive squares in 2 ways, for example, as 4460544 + 9333025 = 2112^2 + 3055^2 .

It is a cyclic number.

It is not a de Polignac number, because 13793569 - 2⁷ = 13793441 is a prime.

It is a super-2 number, since 2×13793569² = 380525091515522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13793509) 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 in 3 ways as a sum of consecutive naturals, for example, 94404 + ... + 94549.

It is an arithmetic number, because the mean of its divisors is an integer number (3495649).

Almost surely, 2^13793569 is an apocalyptic number.

It is an amenable number.

13793569 is a deficient number, since it is larger than the sum of its proper divisors (189027).

13793569 is an equidigital number, since it uses as much as digits as its factorization.

13793569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189026.

The product of its digits is 153090, while the sum is 43.

The square root of 13793569 is about 3713.9694398312. The cubic root of 13793569 is about 239.8237652965.

The spelling of 13793569 in words is "thirteen million, seven hundred ninety-three thousand, five hundred sixty-nine".