13568869 has 4 divisors (see below), whose sum is σ = 14283040. Its totient is φ = 12854700.

The previous prime is 13568861. The next prime is 13568887. The reversal of 13568869 is 96886531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96886531 = 7 ⋅13840933.

It is a cyclic number.

It is not a de Polignac number, because 13568869 - 2³ = 13568861 is a prime.

It is a super-2 number, since 2×13568869² = 368228411878322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13568861) 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 in 3 ways as a sum of consecutive naturals, for example, 357057 + ... + 357094.

It is an arithmetic number, because the mean of its divisors is an integer number (3570760).

Almost surely, 2^13568869 is an apocalyptic number.

13568869 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13568869 is a deficient number, since it is larger than the sum of its proper divisors (714171).

13568869 is an equidigital number, since it uses as much as digits as its factorization.

13568869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714170.

The product of its digits is 311040, while the sum is 46.

The square root of 13568869 is about 3683.5945759543. The cubic root of 13568869 is about 238.5143701960.

The spelling of 13568869 in words is "thirteen million, five hundred sixty-eight thousand, eight hundred sixty-nine".