1380566 has 8 divisors (see below), whose sum is σ = 2259144. Its totient is φ = 627520.

The previous prime is 1380563. The next prime is 1380571. The reversal of 1380566 is 6650831.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380563) 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, 31355 + ... + 31398.

It is an arithmetic number, because the mean of its divisors is an integer number (282393).

2^1380566 is an apocalyptic number.

1380566 is a deficient number, since it is larger than the sum of its proper divisors (878578).

1380566 is a wasteful number, since it uses less digits than its factorization.

1380566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62766.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1380566 is about 1174.9748933488. The cubic root of 1380566 is about 111.3488470459.

The spelling of 1380566 in words is "one million, three hundred eighty thousand, five hundred sixty-six".