1380383 has 4 divisors (see below), whose sum is σ = 1461600. Its totient is φ = 1299168.

The previous prime is 1380377. The next prime is 1380389. The reversal of 1380383 is 3830831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3830831 = 17 ⋅225343.

It is an interprime number because it is at equal distance from previous prime (1380377) and next prime (1380389).

It is a cyclic number.

It is not a de Polignac number, because 1380383 - 2⁶ = 1380319 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40583 + ... + 40616.

It is an arithmetic number, because the mean of its divisors is an integer number (365400).

2^1380383 is an apocalyptic number.

1380383 is a deficient number, since it is larger than the sum of its proper divisors (81217).

1380383 is an equidigital number, since it uses as much as digits as its factorization.

1380383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81216.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1380383 is about 1174.8970167636. The cubic root of 1380383 is about 111.3439269046.

The spelling of 1380383 in words is "one million, three hundred eighty thousand, three hundred eighty-three".