11778330 has 16 divisors (see below), whose sum is σ = 28268064. Its totient is φ = 3140880.

The previous prime is 11778313. The next prime is 11778353. The reversal of 11778330 is 3387711.

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: 392611 = 11778330 / (1 + 1 + 7 + 7 + 8 + 3 + 3 + 0).

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, 196276 + ... + 196335.

It is an arithmetic number, because the mean of its divisors is an integer number (1766754).

Almost surely, 2^11778330 is an apocalyptic number.

11778330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11778330 is an abundant number, since it is smaller than the sum of its proper divisors (16489734).

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

11778330 is a wasteful number, since it uses less digits than its factorization.

11778330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392621.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 11778330 is about 3431.9571675649. The cubic root of 11778330 is about 227.5243624033.

The spelling of 11778330 in words is "eleven million, seven hundred seventy-eight thousand, three hundred thirty".