12898662 has 48 divisors (see below), whose sum is σ = 30470832. Its totient is φ = 3628800.

The previous prime is 12898657. The next prime is 12898673. The reversal of 12898662 is 26689821.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21162 + ... + 21762.

It is an arithmetic number, because the mean of its divisors is an integer number (634809).

Almost surely, 2^12898662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12898662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15235416).

12898662 is an abundant number, since it is smaller than the sum of its proper divisors (17572170).

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

12898662 is a wasteful number, since it uses less digits than its factorization.

12898662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693 (or 686 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 12898662 is about 3591.4707293809. The cubic root of 12898662 is about 234.5209010850.

It can be divided in two parts, 128 and 98662, that added together give a triangular number (98790 = T₄₄₄).

The spelling of 12898662 in words is "twelve million, eight hundred ninety-eight thousand, six hundred sixty-two".