11380785 has 16 divisors (see below), whose sum is σ = 19610304. Its totient is φ = 5602752.

The previous prime is 11380783. The next prime is 11380801. The reversal of 11380785 is 58708311.

It is not a de Polignac number, because 11380785 - 2¹ = 11380783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11380783) 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 15 ways as a sum of consecutive naturals, for example, 28987 + ... + 29376.

It is an arithmetic number, because the mean of its divisors is an integer number (1225644).

Almost surely, 2^11380785 is an apocalyptic number.

11380785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11380785 is a deficient number, since it is larger than the sum of its proper divisors (8229519).

11380785 is a wasteful number, since it uses less digits than its factorization.

11380785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58384.

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 11380785 is about 3373.5419072542. The cubic root of 11380785 is about 224.9351912109.

Subtracting from 11380785 its product of nonzero digits (6720), we obtain a triangular number (11374065 = T₄₇₆₉).

The spelling of 11380785 in words is "eleven million, three hundred eighty thousand, seven hundred eighty-five".