12698064 has 60 divisors (see below), whose sum is σ = 35907300. Its totient is φ = 4188672.

The previous prime is 12698057. The next prime is 12698089. The reversal of 12698064 is 46089621.

It can be written as a sum of positive squares in 2 ways, for example, as 10112400 + 2585664 = 3180^2 + 1608^2 .

It is a super-2 number, since 2×12698064² = 322481658696192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15292 + ... + 16100.

It is an arithmetic number, because the mean of its divisors is an integer number (598455).

Almost surely, 2^12698064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12698064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17953650).

12698064 is an abundant number, since it is smaller than the sum of its proper divisors (23209236).

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

12698064 is a wasteful number, since it uses less digits than its factorization.

12698064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932 (or 923 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 12698064 is about 3563.4342985384. The cubic root of 12698064 is about 233.2987994243.

The spelling of 12698064 in words is "twelve million, six hundred ninety-eight thousand, sixty-four".