1380395 has 4 divisors (see below), whose sum is σ = 1656480. Its totient is φ = 1104312.

The previous prime is 1380389. The next prime is 1380397. The reversal of 1380395 is 5930831.

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

It is a cyclic number.

It is not a de Polignac number, because 1380395 - 2²⁰ = 331819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1380397) 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, 138035 + ... + 138044.

It is an arithmetic number, because the mean of its divisors is an integer number (414120).

2^1380395 is an apocalyptic number.

1380395 is a deficient number, since it is larger than the sum of its proper divisors (276085).

1380395 is an equidigital number, since it uses as much as digits as its factorization.

1380395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276084.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 1380395 is about 1174.9021235831. The cubic root of 1380395 is about 111.3442495501.

It can be divided in two parts, 13 and 80395, that added together give a palindrome (80408).

The spelling of 1380395 in words is "one million, three hundred eighty thousand, three hundred ninety-five".