11945130 has 16 divisors (see below), whose sum is σ = 28668384. Its totient is φ = 3185360.

The previous prime is 11945123. The next prime is 11945161. The reversal of 11945130 is 3154911.

It is a super-2 number, since 2×11945130² = 285372261433800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11945130.

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 7 ways as a sum of consecutive naturals, for example, 199056 + ... + 199115.

It is an arithmetic number, because the mean of its divisors is an integer number (1791774).

Almost surely, 2^11945130 is an apocalyptic number.

11945130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11945130 is an abundant number, since it is smaller than the sum of its proper divisors (16723254).

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

11945130 is a wasteful number, since it uses less digits than its factorization.

11945130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398181.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 11945130 is about 3456.1727387386. The cubic root of 11945130 is about 228.5933682437.

The spelling of 11945130 in words is "eleven million, nine hundred forty-five thousand, one hundred thirty".