12611730 has 64 divisors (see below), whose sum is σ = 31850496. Its totient is φ = 3192000.

The previous prime is 12611713. The next prime is 12611747. The reversal of 12611730 is 3711621.

It is an interprime number because it is at equal distance from previous prime (12611713) and next prime (12611747).

It is a junction number, because it is equal to n+sod(n) for n = 12611697 and 12611706.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65935 + ... + 66125.

It is an arithmetic number, because the mean of its divisors is an integer number (497664).

Almost surely, 2^12611730 is an apocalyptic number.

12611730 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 12611730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15925248).

12611730 is an abundant number, since it is smaller than the sum of its proper divisors (19238766).

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

12611730 is a wasteful number, since it uses less digits than its factorization.

12611730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 12611730 is about 3551.2997620590. The cubic root of 12611730 is about 232.7688645905.

The spelling of 12611730 in words is "twelve million, six hundred eleven thousand, seven hundred thirty".