12139332 has 24 divisors (see below), whose sum is σ = 28861056. Its totient is φ = 3969888.

The previous prime is 12139327. The next prime is 12139349. The reversal of 12139332 is 23393121.

12139332 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8908 + ... + 10179.

It is an arithmetic number, because the mean of its divisors is an integer number (1202544).

Almost surely, 2^12139332 is an apocalyptic number.

12139332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12139332 is an abundant number, since it is smaller than the sum of its proper divisors (16721724).

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

12139332 is a wasteful number, since it uses less digits than its factorization.

12139332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19147 (or 19145 counting only the distinct ones).

The product of its digits is 972, while the sum is 24.

The square root of 12139332 is about 3484.1544167847. The cubic root of 12139332 is about 229.8255261559.

The spelling of 12139332 in words is "twelve million, one hundred thirty-nine thousand, three hundred thirty-two".