11988130 has 32 divisors (see below), whose sum is σ = 26904960. Its totient is φ = 3736320.

The previous prime is 11988121. The next prime is 11988131. The reversal of 11988130 is 3188911.

It is a junction number, because it is equal to n+sod(n) for n = 11988092 and 11988101.

It is not an unprimeable number, because it can be changed into a prime (11988131) 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, 7015 + ... + 8554.

It is an arithmetic number, because the mean of its divisors is an integer number (840780).

Almost surely, 2^11988130 is an apocalyptic number.

11988130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11988130 is an abundant number, since it is smaller than the sum of its proper divisors (14916830).

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

11988130 is a wasteful number, since it uses less digits than its factorization.

11988130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15594.

The product of its (nonzero) digits is 1728, while the sum is 31.

The square root of 11988130 is about 3462.3879043227. The cubic root of 11988130 is about 228.8673360623.

It can be divided in two parts, 119881 and 30, that added together give a palindrome (119911).

The spelling of 11988130 in words is "eleven million, nine hundred eighty-eight thousand, one hundred thirty".