11481870 has 16 divisors (see below), whose sum is σ = 27556560. Its totient is φ = 3061824.

The previous prime is 11481863. The next prime is 11481893. The reversal of 11481870 is 7818411.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 382729 = 11481870 / (1 + 1 + 4 + 8 + 1 + 8 + 7 + 0).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 191335 + ... + 191394.

It is an arithmetic number, because the mean of its divisors is an integer number (1722285).

Almost surely, 2^11481870 is an apocalyptic number.

11481870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11481870 is an abundant number, since it is smaller than the sum of its proper divisors (16074690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11481870 is a wasteful number, since it uses less digits than its factorization.

11481870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382739.

The product of its (nonzero) digits is 1792, while the sum is 30.

The square root of 11481870 is about 3388.4908145072. The cubic root of 11481870 is about 225.5991930080.

The spelling of 11481870 in words is "eleven million, four hundred eighty-one thousand, eight hundred seventy".