1380963 has 8 divisors (see below), whose sum is σ = 1846800. Its totient is φ = 917888.

The previous prime is 1380959. The next prime is 1380971. The reversal of 1380963 is 3690831.

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 1380963 - 2² = 1380959 is a prime.

1380963 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1380963.

It is not an unprimeable number, because it can be changed into a prime (1380913) 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, 1303 + ... + 2111.

It is an arithmetic number, because the mean of its divisors is an integer number (230850).

2^1380963 is an apocalyptic number.

1380963 is a deficient number, since it is larger than the sum of its proper divisors (465837).

1380963 is an equidigital number, since it uses as much as digits as its factorization.

1380963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 1380963 is about 1175.1438209853. The cubic root of 1380963 is about 111.3595193005.

The spelling of 1380963 in words is "one million, three hundred eighty thousand, nine hundred sixty-three".