12862538 has 8 divisors (see below), whose sum is σ = 20777988. Its totient is φ = 5936544.

The previous prime is 12862511. The next prime is 12862567. The reversal of 12862538 is 83526821.

It can be written as a sum of positive squares in 2 ways, for example, as 12837889 + 24649 = 3583^2 + 157^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12862498 and 12862507.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247331 + ... + 247382.

Almost surely, 2^12862538 is an apocalyptic number.

12862538 is a deficient number, since it is larger than the sum of its proper divisors (7915450).

12862538 is a wasteful number, since it uses less digits than its factorization.

12862538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494728.

The product of its digits is 23040, while the sum is 35.

The square root of 12862538 is about 3586.4380658252. The cubic root of 12862538 is about 234.3017632628.

The spelling of 12862538 in words is "twelve million, eight hundred sixty-two thousand, five hundred thirty-eight".