13878753 has 8 divisors (see below), whose sum is σ = 21148608. Its totient is φ = 7930704.

The previous prime is 13878751. The next prime is 13878757. The reversal of 13878753 is 35787831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13878753 - 2¹ = 13878751 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13878751) 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 7 ways as a sum of consecutive naturals, for example, 330426 + ... + 330467.

It is an arithmetic number, because the mean of its divisors is an integer number (2643576).

Almost surely, 2^13878753 is an apocalyptic number.

It is an amenable number.

13878753 is a deficient number, since it is larger than the sum of its proper divisors (7269855).

13878753 is an equidigital number, since it uses as much as digits as its factorization.

13878753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660903.

The product of its digits is 141120, while the sum is 42.

The square root of 13878753 is about 3725.4198421118. The cubic root of 13878753 is about 240.3164402288.

The spelling of 13878753 in words is "thirteen million, eight hundred seventy-eight thousand, seven hundred fifty-three".