1381183 has 8 divisors (see below), whose sum is σ = 1446480. Its totient is φ = 1317120.

The previous prime is 1381153. The next prime is 1381187. The reversal of 1381183 is 3811831.

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

It is a cyclic number.

It is not a de Polignac number, because 1381183 - 2⁹ = 1380671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381187) 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, 2568 + ... + 3058.

It is an arithmetic number, because the mean of its divisors is an integer number (180810).

2^1381183 is an apocalyptic number.

1381183 is a deficient number, since it is larger than the sum of its proper divisors (65297).

1381183 is an equidigital number, since it uses as much as digits as its factorization.

1381183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617.

The product of its digits is 576, while the sum is 25.

The square root of 1381183 is about 1175.2374228214. The cubic root of 1381183 is about 111.3654325156.

The spelling of 1381183 in words is "one million, three hundred eighty-one thousand, one hundred eighty-three".