1338725 has 6 divisors (see below), whose sum is σ = 1660050. Its totient is φ = 1070960.

The previous prime is 1338703. The next prime is 1338731. The reversal of 1338725 is 5278331.

It can be written as a sum of positive squares in 3 ways, for example, as 13924 + 1324801 = 118^2 + 1151^2 .

It is not a de Polignac number, because 1338725 - 2⁶ = 1338661 is a prime.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 26750 + ... + 26799.

It is an arithmetic number, because the mean of its divisors is an integer number (276675).

2^1338725 is an apocalyptic number.

It is an amenable number.

1338725 is a deficient number, since it is larger than the sum of its proper divisors (321325).

1338725 is an equidigital number, since it uses as much as digits as its factorization.

1338725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53559 (or 53554 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 1338725 is about 1157.0328430948. The cubic root of 1338725 is about 110.2123995301.

The spelling of 1338725 in words is "one million, three hundred thirty-eight thousand, seven hundred twenty-five".