12139352 has 24 divisors (see below), whose sum is σ = 23534100. Its totient is φ = 5870160.

The previous prime is 12139349. The next prime is 12139381. The reversal of 12139352 is 25393121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6899 + ... + 8477.

Almost surely, 2^12139352 is an apocalyptic number.

It is an amenable number.

12139352 is a deficient number, since it is larger than the sum of its proper divisors (11394748).

12139352 is a wasteful number, since it uses less digits than its factorization.

12139352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647 (or 1612 counting only the distinct ones).

The product of its digits is 1620, while the sum is 26.

The square root of 12139352 is about 3484.1572869203. The cubic root of 12139352 is about 229.8256523712.

The spelling of 12139352 in words is "twelve million, one hundred thirty-nine thousand, three hundred fifty-two".