1380799 has 4 divisors (see below), whose sum is σ = 1578064. Its totient is φ = 1183536.

The previous prime is 1380793. The next prime is 1380811. The reversal of 1380799 is 9970831.

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 1380799 - 2⁷ = 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 (1380793) 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, 98622 + ... + 98635.

It is an arithmetic number, because the mean of its divisors is an integer number (394516).

2^1380799 is an apocalyptic number.

1380799 is a deficient number, since it is larger than the sum of its proper divisors (197265).

1380799 is an equidigital number, since it uses as much as digits as its factorization.

1380799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197264.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 1380799 is about 1175.0740402204. The cubic root of 1380799 is about 111.3551108590.

The spelling of 1380799 in words is "one million, three hundred eighty thousand, seven hundred ninety-nine".