1339725 has 12 divisors (see below), whose sum is σ = 2215136. Its totient is φ = 714480.

The previous prime is 1339711. The next prime is 1339729. The reversal of 1339725 is 5279331.

It is not a de Polignac number, because 1339725 - 2⁵ = 1339693 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1339692 and 1339701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1339729) 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, 8857 + ... + 9006.

2^1339725 is an apocalyptic number.

1339725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1339725 is a deficient number, since it is larger than the sum of its proper divisors (875411).

1339725 is a wasteful number, since it uses less digits than its factorization.

1339725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17876 (or 17871 counting only the distinct ones).

The product of its digits is 5670, while the sum is 30.

The square root of 1339725 is about 1157.4649022757. The cubic root of 1339725 is about 110.2398348308.

The spelling of 1339725 in words is "one million, three hundred thirty-nine thousand, seven hundred twenty-five".