12862146 has 32 divisors (see below), whose sum is σ = 28600128. Its totient is φ = 3823040.

The previous prime is 12862133. The next prime is 12862153. The reversal of 12862146 is 64126821.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1660 + ... + 5336.

It is an arithmetic number, because the mean of its divisors is an integer number (893754).

Almost surely, 2^12862146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12862146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14300064).

12862146 is an abundant number, since it is smaller than the sum of its proper divisors (15737982).

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

12862146 is a wasteful number, since it uses less digits than its factorization.

12862146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3746.

The product of its digits is 4608, while the sum is 30.

The square root of 12862146 is about 3586.3834150855. The cubic root of 12862146 is about 234.2993830373.

Adding to 12862146 its reverse (64126821), we get a palindrome (76988967).

It can be divided in two parts, 1286214 and 6, that multiplied together give a square (7717284 = 2778²).

The spelling of 12862146 in words is "twelve million, eight hundred sixty-two thousand, one hundred forty-six".