11851330 has 32 divisors (see below), whose sum is σ = 22161600. Its totient is φ = 4560192.

The previous prime is 11851313. The next prime is 11851349. The reversal of 11851330 is 3315811.

It is an unprimeable number.

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, 31081 + ... + 31459.

It is an arithmetic number, because the mean of its divisors is an integer number (692550).

Almost surely, 2^11851330 is an apocalyptic number.

11851330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11851330 is a deficient number, since it is larger than the sum of its proper divisors (10310270).

11851330 is a wasteful number, since it uses less digits than its factorization.

11851330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 11851330 is about 3442.5760703287. The cubic root of 11851330 is about 227.9934465132.

It can be divided in two parts, 118 and 51330, that multiplied together give a triangular number (6056940 = T₃₄₈₀).

The spelling of 11851330 in words is "eleven million, eight hundred fifty-one thousand, three hundred thirty".