12170930 has 8 divisors (see below), whose sum is σ = 21907692. Its totient is φ = 4868368.

The previous prime is 12170869. The next prime is 12170947. The reversal of 12170930 is 3907121.

It can be written as a sum of positive squares in 2 ways, for example, as 11095561 + 1075369 = 3331^2 + 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 = 12170896 and 12170905.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608537 + ... + 608556.

Almost surely, 2^12170930 is an apocalyptic number.

12170930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12170930 is a deficient number, since it is larger than the sum of its proper divisors (9736762).

12170930 is a wasteful number, since it uses less digits than its factorization.

12170930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217100.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 12170930 is about 3488.6859990547. The cubic root of 12170930 is about 230.0247610393.

The spelling of 12170930 in words is "twelve million, one hundred seventy thousand, nine hundred thirty".