11065870 has 16 divisors (see below), whose sum is σ = 20295360. Its totient is φ = 4342624.

The previous prime is 11065867. The next prime is 11065877. The reversal of 11065870 is 7856011.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11065877) 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 7 ways as a sum of consecutive naturals, for example, 9910 + ... + 10969.

It is an arithmetic number, because the mean of its divisors is an integer number (1268460).

Almost surely, 2^11065870 is an apocalyptic number.

11065870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11065870 is a deficient number, since it is larger than the sum of its proper divisors (9229490).

11065870 is a wasteful number, since it uses less digits than its factorization.

11065870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20939.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 11065870 is about 3326.5402447588. The cubic root of 11065870 is about 222.8410458067.

It can be divided in two parts, 11065 and 870, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 11065870 in words is "eleven million, sixty-five thousand, eight hundred seventy".