12091130 has 8 divisors (see below), whose sum is σ = 21764052. Its totient is φ = 4836448.

The previous prime is 12091111. The next prime is 12091133. The reversal of 12091130 is 3119021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11015761 + 1075369 = 3319^2 + 1037^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12091099 and 12091108.

It is not an unprimeable number, because it can be changed into a prime (12091133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 604547 + ... + 604566.

Almost surely, 2^12091130 is an apocalyptic number.

12091130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12091130 is a deficient number, since it is larger than the sum of its proper divisors (9672922).

12091130 is a wasteful number, since it uses less digits than its factorization.

12091130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209120.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 12091130 is about 3477.2302195857. The cubic root of 12091130 is about 229.5209310022.

It can be divided in two parts, 12091 and 130, that added together give a palindrome (12221).

The spelling of 12091130 in words is "twelve million, ninety-one thousand, one hundred thirty".