12349930 has 16 divisors (see below), whose sum is σ = 22346280. Its totient is φ = 4914112.

The previous prime is 12349913. The next prime is 12349933. The reversal of 12349930 is 3994321.

It can be written as a sum of positive squares in 4 ways, for example, as 11675889 + 674041 = 3417^2 + 821^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12349892 and 12349901.

It is not an unprimeable number, because it can be changed into a prime (12349933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1165 + ... + 5104.

Almost surely, 2^12349930 is an apocalyptic number.

12349930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12349930 is a deficient number, since it is larger than the sum of its proper divisors (9996350).

12349930 is a wasteful number, since it uses less digits than its factorization.

12349930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6473.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 12349930 is about 3514.2467187151. The cubic root of 12349930 is about 231.1469489714.

The spelling of 12349930 in words is "twelve million, three hundred forty-nine thousand, nine hundred thirty".