13894785 has 12 divisors (see below), whose sum is σ = 24084372. Its totient is φ = 7410528.

The previous prime is 13894759. The next prime is 13894801. The reversal of 13894785 is 58749831.

It can be written as a sum of positive squares in 2 ways, for example, as 8433216 + 5461569 = 2904^2 + 2337^2 .

It is not a de Polignac number, because 13894785 - 2⁵ = 13894753 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 308773 = 13894785 / (1 + 3 + 8 + 9 + 4 + 7 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 13894785.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 154342 + ... + 154431.

It is an arithmetic number, because the mean of its divisors is an integer number (2007031).

Almost surely, 2^13894785 is an apocalyptic number.

13894785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13894785 is a deficient number, since it is larger than the sum of its proper divisors (10189587).

13894785 is a wasteful number, since it uses less digits than its factorization.

13894785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308784 (or 308781 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 13894785 is about 3727.5709248786. The cubic root of 13894785 is about 240.4089382273.

The spelling of 13894785 in words is "thirteen million, eight hundred ninety-four thousand, seven hundred eighty-five".