1380003 has 8 divisors (see below), whose sum is σ = 1870416. Its totient is φ = 904800.

The previous prime is 1379993. The next prime is 1380007. The reversal of 1380003 is 3000831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1380003 - 2⁹ = 1379491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1380007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3588 + ... + 3953.

It is an arithmetic number, because the mean of its divisors is an integer number (233802).

2^1380003 is an apocalyptic number.

1380003 is a deficient number, since it is larger than the sum of its proper divisors (490413).

1380003 is an equidigital number, since it uses as much as digits as its factorization.

1380003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7605.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1380003 is about 1174.7352893312. The cubic root of 1380003 is about 111.3337088286. Note that the first 3 decimals are identical.

Adding to 1380003 its reverse (3000831), we get a palindrome (4380834).

The spelling of 1380003 in words is "one million, three hundred eighty thousand, three".