13928075 has 12 divisors (see below), whose sum is σ = 19738320. Its totient is φ = 9550560.

The previous prime is 13928059. The next prime is 13928077. The reversal of 13928075 is 57082931.

It is not a de Polignac number, because 13928075 - 2⁴ = 13928059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (13928077) 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 11 ways as a sum of consecutive naturals, for example, 39620 + ... + 39969.

It is an arithmetic number, because the mean of its divisors is an integer number (1644860).

Almost surely, 2^13928075 is an apocalyptic number.

13928075 is a deficient number, since it is larger than the sum of its proper divisors (5810245).

13928075 is an equidigital number, since it uses as much as digits as its factorization.

13928075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79606 (or 79601 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 13928075 is about 3732.0336279300. The cubic root of 13928075 is about 240.6007807186.

The spelling of 13928075 in words is "thirteen million, nine hundred twenty-eight thousand, seventy-five".