1393245 has 24 divisors (see below), whose sum is σ = 2760576. Its totient is φ = 636768.

The previous prime is 1393241. The next prime is 1393253. The reversal of 1393245 is 5423931.

It is not a de Polignac number, because 1393245 - 2² = 1393241 is a prime.

It is a super-2 number, since 2×1393245² = 3882263260050, which contains 22 as substring.

It is a Curzon number.

1393245 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1393241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1897 + ... + 2526.

It is an arithmetic number, because the mean of its divisors is an integer number (115024).

2^1393245 is an apocalyptic number.

1393245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1393245 is a deficient number, since it is larger than the sum of its proper divisors (1367331).

1393245 is a wasteful number, since it uses less digits than its factorization.

1393245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4441 (or 4438 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 1393245 is about 1180.3579965417. The cubic root of 1393245 is about 111.6886815831.

The spelling of 1393245 in words is "one million, three hundred ninety-three thousand, two hundred forty-five".