12139358 has 24 divisors (see below), whose sum is σ = 23109624. Its totient is φ = 4729200.

The previous prime is 12139349. The next prime is 12139381. The reversal of 12139358 is 85393121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4553 + ... + 6708.

It is an arithmetic number, because the mean of its divisors is an integer number (962901).

Almost surely, 2^12139358 is an apocalyptic number.

12139358 is a deficient number, since it is larger than the sum of its proper divisors (10970266).

12139358 is a wasteful number, since it uses less digits than its factorization.

12139358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11288 (or 11281 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 12139358 is about 3484.1581479606. The cubic root of 12139358 is about 229.8256902357.

The spelling of 12139358 in words is "twelve million, one hundred thirty-nine thousand, three hundred fifty-eight".