1380011 has 4 divisors (see below), whose sum is σ = 1382592. Its totient is φ = 1377432.

The previous prime is 1380007. The next prime is 1380013. The reversal of 1380011 is 1100831.

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 1380011 - 2² = 1380007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1380013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155 + ... + 1668.

It is an arithmetic number, because the mean of its divisors is an integer number (345648).

2^1380011 is an apocalyptic number.

1380011 is a deficient number, since it is larger than the sum of its proper divisors (2581).

1380011 is an equidigital number, since it uses as much as digits as its factorization.

1380011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1380011 is about 1174.7386943487. The cubic root of 1380011 is about 111.3339239653. Note that the first 3 decimals are identical.

Adding to 1380011 its reverse (1100831), we get a palindrome (2480842).

The spelling of 1380011 in words is "one million, three hundred eighty thousand, eleven".