12988806 has 8 divisors (see below), whose sum is σ = 25977624. Its totient is φ = 4329600.

The previous prime is 12988793. The next prime is 12988819. The reversal of 12988806 is 60888921.

It is an interprime number because it is at equal distance from previous prime (12988793) and next prime (12988819).

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

12988806 is an admirable number.

It is a congruent number.

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, 1082395 + ... + 1082406.

It is an arithmetic number, because the mean of its divisors is an integer number (3247203).

Almost surely, 2^12988806 is an apocalyptic number.

12988806 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12988806 is a wasteful number, since it uses less digits than its factorization.

12988806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164806.

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 12988806 is about 3603.9986126523. The cubic root of 12988806 is about 235.0659600570.

The spelling of 12988806 in words is "twelve million, nine hundred eighty-eight thousand, eight hundred six".