12163930 has 8 divisors (see below), whose sum is σ = 21895092. Its totient is φ = 4865568.

The previous prime is 12163843. The next prime is 12163937. The reversal of 12163930 is 3936121.

It can be written as a sum of positive squares in 2 ways, for example, as 12159169 + 4761 = 3487^2 + 69^2 .

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

It is a super-2 number, since 2×12163930² = 295922386089800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12163895 and 12163904.

It is not an unprimeable number, because it can be changed into a prime (12163937) 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, 608187 + ... + 608206.

Almost surely, 2^12163930 is an apocalyptic number.

12163930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12163930 is a deficient number, since it is larger than the sum of its proper divisors (9731162).

12163930 is a wasteful number, since it uses less digits than its factorization.

12163930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216400.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 12163930 is about 3487.6826117065. The cubic root of 12163930 is about 229.9806536973.

The spelling of 12163930 in words is "twelve million, one hundred sixty-three thousand, nine hundred thirty".