1383307 has 4 divisors (see below), whose sum is σ = 1464696. Its totient is φ = 1301920.

The previous prime is 1383301. The next prime is 1383323. The reversal of 1383307 is 7033831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1383307 is a prime.

It is a Duffinian number.

1383307 is a lucky number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (1383301) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 40669 + ... + 40702.

It is an arithmetic number, because the mean of its divisors is an integer number (366174).

2^1383307 is an apocalyptic number.

1383307 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1383307 is a deficient number, since it is larger than the sum of its proper divisors (81389).

1383307 is an equidigital number, since it uses as much as digits as its factorization.

1383307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81388.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 1383307 is about 1176.1407228729. The cubic root of 1383307 is about 111.4224896496.

It can be divided in two parts, 1383 and 307, that multiplied together give a triangular number (424581 = T₉₂₁).

The spelling of 1383307 in words is "one million, three hundred eighty-three thousand, three hundred seven".