12149930 has 32 divisors (see below), whose sum is σ = 24796800. Its totient is φ = 4249152.

The previous prime is 12149881. The next prime is 12149933. The reversal of 12149930 is 3994121.

It is a happy number.

12149930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12149893 and 12149902.

It is not an unprimeable number, because it can be changed into a prime (12149933) 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, 11 + ... + 4929.

It is an arithmetic number, because the mean of its divisors is an integer number (774900).

Almost surely, 2^12149930 is an apocalyptic number.

12149930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12149930 is an abundant number, since it is smaller than the sum of its proper divisors (12646870).

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

12149930 is a wasteful number, since it uses less digits than its factorization.

12149930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4958.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 12149930 is about 3485.6749705043. The cubic root of 12149930 is about 229.8923882221.

The spelling of 12149930 in words is "twelve million, one hundred forty-nine thousand, nine hundred thirty".