12538342 has 8 divisors (see below), whose sum is σ = 18994032. Its totient is φ = 6207000.

The previous prime is 12538321. The next prime is 12538343. The reversal of 12538342 is 24383521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12538342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12538343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30834 + ... + 31237.

It is an arithmetic number, because the mean of its divisors is an integer number (2374254).

Almost surely, 2^12538342 is an apocalyptic number.

12538342 is a deficient number, since it is larger than the sum of its proper divisors (6455690).

12538342 is a wasteful number, since it uses less digits than its factorization.

12538342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62174.

The product of its digits is 5760, while the sum is 28.

The square root of 12538342 is about 3540.9521318425. The cubic root of 12538342 is about 232.3164898736.

It can be divided in two parts, 12538 and 342, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 12538342 in words is "twelve million, five hundred thirty-eight thousand, three hundred forty-two".