11912130 has 32 divisors (see below), whose sum is σ = 31766400. Its totient is φ = 3176496.

The previous prime is 11912129. The next prime is 11912171. The reversal of 11912130 is 3121911.

11912130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11912130² = 283797682273800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21790 + ... + 22329.

It is an arithmetic number, because the mean of its divisors is an integer number (992700).

Almost surely, 2^11912130 is an apocalyptic number.

11912130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11912130 is an abundant number, since it is smaller than the sum of its proper divisors (19854270).

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

11912130 is a wasteful number, since it uses less digits than its factorization.

11912130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44135 (or 44129 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 11912130 is about 3451.3953699917. The cubic root of 11912130 is about 228.3826676333.

It can be divided in two parts, 1191 and 2130, that added together give a triangular number (3321 = T₈₁).

The spelling of 11912130 in words is "eleven million, nine hundred twelve thousand, one hundred thirty".