12661230 has 16 divisors (see below), whose sum is σ = 30387024. Its totient is φ = 3376320.

The previous prime is 12661213. The next prime is 12661241. The reversal of 12661230 is 3216621.

It is a happy number.

12661230 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 2×12661230² = 320613490225800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12661197 and 12661206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210991 + ... + 211050.

It is an arithmetic number, because the mean of its divisors is an integer number (1899189).

Almost surely, 2^12661230 is an apocalyptic number.

12661230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12661230 is an abundant number, since it is smaller than the sum of its proper divisors (17725794).

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

12661230 is a wasteful number, since it uses less digits than its factorization.

12661230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422051.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 12661230 is about 3558.2622163073. The cubic root of 12661230 is about 233.0729998996.

Adding to 12661230 its reverse (3216621), we get a palindrome (15877851).

The spelling of 12661230 in words is "twelve million, six hundred sixty-one thousand, two hundred thirty".