12231930 has 32 divisors (see below), whose sum is σ = 29481408. Its totient is φ = 3248000.

The previous prime is 12231917. The next prime is 12231931. The reversal of 12231930 is 3913221.

It is a happy number.

It is a super-2 number, since 2×12231930² = 299240223049800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12231897 and 12231906.

It is not an unprimeable number, because it can be changed into a prime (12231931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7705 + ... + 9155.

It is an arithmetic number, because the mean of its divisors is an integer number (921294).

Almost surely, 2^12231930 is an apocalyptic number.

12231930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12231930 is an abundant number, since it is smaller than the sum of its proper divisors (17249478).

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

12231930 is a wasteful number, since it uses less digits than its factorization.

12231930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 12231930 is about 3497.4176187582. The cubic root of 12231930 is about 230.4084110910.

The spelling of 12231930 in words is "twelve million, two hundred thirty-one thousand, nine hundred thirty".