1393725 has 12 divisors (see below), whose sum is σ = 2304416. Its totient is φ = 743280.

The previous prime is 1393723. The next prime is 1393739. The reversal of 1393725 is 5273931.

It is not a de Polignac number, because 1393725 - 2¹ = 1393723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1393692 and 1393701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1393723) 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, 9217 + ... + 9366.

2^1393725 is an apocalyptic number.

1393725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1393725 is a deficient number, since it is larger than the sum of its proper divisors (910691).

1393725 is a wasteful number, since it uses less digits than its factorization.

1393725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18596 (or 18591 counting only the distinct ones).

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

The square root of 1393725 is about 1180.5613071755. The cubic root of 1393725 is about 111.7015064181.

The spelling of 1393725 in words is "one million, three hundred ninety-three thousand, seven hundred twenty-five".