1380550 has 12 divisors (see below), whose sum is σ = 2567916. Its totient is φ = 552200.

The previous prime is 1380517. The next prime is 1380551. The reversal of 1380550 is 550831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13756 + ... + 13855.

It is an arithmetic number, because the mean of its divisors is an integer number (213993).

2^1380550 is an apocalyptic number.

1380550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1380550 is a deficient number, since it is larger than the sum of its proper divisors (1187366).

1380550 is a wasteful number, since it uses less digits than its factorization.

1380550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27623 (or 27618 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1380550 is about 1174.9680846729. The cubic root of 1380550 is about 111.3484168870.

The spelling of 1380550 in words is "one million, three hundred eighty thousand, five hundred fifty".