11320870 has 32 divisors (see below), whose sum is σ = 22480416. Its totient is φ = 4070400.

The previous prime is 11320847. The next prime is 11320873. The reversal of 11320870 is 7802311.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10140 + ... + 11200.

It is an arithmetic number, because the mean of its divisors is an integer number (702513).

Almost surely, 2^11320870 is an apocalyptic number.

11320870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11320870 is a deficient number, since it is larger than the sum of its proper divisors (11159546).

11320870 is a wasteful number, since it uses less digits than its factorization.

11320870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 11320870 is about 3364.6500560980. The cubic root of 11320870 is about 224.5397670637.

The spelling of 11320870 in words is "eleven million, three hundred twenty thousand, eight hundred seventy".