1380562 has 4 divisors (see below), whose sum is σ = 2070846. Its totient is φ = 690280.

The previous prime is 1380557. The next prime is 1380563. The reversal of 1380562 is 2650831.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2650831 = 631 ⋅4201.

It can be written as a sum of positive squares in only one way, i.e., 1121481 + 259081 = 1059^2 + 509^2 .

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 as a sum of consecutive naturals, namely, 345139 + ... + 345142.

2^1380562 is an apocalyptic number.

1380562 is a deficient number, since it is larger than the sum of its proper divisors (690284).

1380562 is an equidigital number, since it uses as much as digits as its factorization.

1380562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690283.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1380562 is about 1174.9731911835. The cubic root of 1380562 is about 111.3487395065.

The spelling of 1380562 in words is "one million, three hundred eighty thousand, five hundred sixty-two".