12611130 has 96 divisors (see below), whose sum is σ = 36837504. Its totient is φ = 2749824.

The previous prime is 12611111. The next prime is 12611167. The reversal of 12611130 is 3111621.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 33624 + ... + 33996.

It is an arithmetic number, because the mean of its divisors is an integer number (383724).

Almost surely, 2^12611130 is an apocalyptic number.

12611130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12611130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18418752).

12611130 is an abundant number, since it is smaller than the sum of its proper divisors (24226374).

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

12611130 is a wasteful number, since it uses less digits than its factorization.

12611130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 413 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 12611130 is about 3551.2152849412. The cubic root of 12611130 is about 232.7651732245.

Adding to 12611130 its reverse (3111621), we get a palindrome (15722751).

The spelling of 12611130 in words is "twelve million, six hundred eleven thousand, one hundred thirty".