13782075 has 12 divisors (see below), whose sum is σ = 22786488. Its totient is φ = 7350400.

The previous prime is 13782071. The next prime is 13782077. The reversal of 13782075 is 57028731.

13782075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13782075 - 2² = 13782071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13782071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91806 + ... + 91955.

It is an arithmetic number, because the mean of its divisors is an integer number (1898874).

Almost surely, 2^13782075 is an apocalyptic number.

13782075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13782075 is a deficient number, since it is larger than the sum of its proper divisors (9004413).

13782075 is a wasteful number, since it uses less digits than its factorization.

13782075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183774 (or 183769 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 13782075 is about 3712.4217163464. The cubic root of 13782075 is about 239.7571327864.

The spelling of 13782075 in words is "thirteen million, seven hundred eighty-two thousand, seventy-five".