1338975 has 36 divisors (see below), whose sum is σ = 2621112. Its totient is φ = 648000.

The previous prime is 1338941. The next prime is 1338979. The reversal of 1338975 is 5798331.

It is not a de Polignac number, because 1338975 - 2¹¹ = 1336927 is a prime.

1338975 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338979) 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 35 ways as a sum of consecutive naturals, for example, 2205 + ... + 2745.

2^1338975 is an apocalyptic number.

1338975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1338975 is a deficient number, since it is larger than the sum of its proper divisors (1282137).

1338975 is a wasteful number, since it uses less digits than its factorization.

1338975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568 (or 560 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 1338975 is about 1157.1408730142. The cubic root of 1338975 is about 110.2192596358.

The spelling of 1338975 in words is "one million, three hundred thirty-eight thousand, nine hundred seventy-five".