12938142 has 16 divisors (see below), whose sum is σ = 29572992. Its totient is φ = 3696600.

The previous prime is 12938137. The next prime is 12938179. The reversal of 12938142 is 24183921.

It is a congruent number.

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, 153984 + ... + 154067.

It is an arithmetic number, because the mean of its divisors is an integer number (1848312).

Almost surely, 2^12938142 is an apocalyptic number.

12938142 is an abundant number, since it is smaller than the sum of its proper divisors (16634850).

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

12938142 is a wasteful number, since it uses less digits than its factorization.

12938142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308063.

The product of its digits is 3456, while the sum is 30.

The square root of 12938142 is about 3596.9628855466. The cubic root of 12938142 is about 234.7599298754.

The spelling of 12938142 in words is "twelve million, nine hundred thirty-eight thousand, one hundred forty-two".