13893769 has 4 divisors (see below), whose sum is σ = 14625040. Its totient is φ = 13162500.

The previous prime is 13893751. The next prime is 13893779. The reversal of 13893769 is 96739831.

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.

It is a cyclic number.

It is not a de Polignac number, because 13893769 - 2¹¹ = 13891721 is a prime.

It is a super-2 number, since 2×13893769² = 386073634050722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13893739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365607 + ... + 365644.

It is an arithmetic number, because the mean of its divisors is an integer number (3656260).

Almost surely, 2^13893769 is an apocalyptic number.

13893769 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13893769 is a deficient number, since it is larger than the sum of its proper divisors (731271).

13893769 is an equidigital number, since it uses as much as digits as its factorization.

13893769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731270.

The product of its digits is 244944, while the sum is 46.

The square root of 13893769 is about 3727.4346406074. The cubic root of 13893769 is about 240.4030784404.

The spelling of 13893769 in words is "thirteen million, eight hundred ninety-three thousand, seven hundred sixty-nine".