12988722 has 8 divisors (see below), whose sum is σ = 25977456. Its totient is φ = 4329572.

The previous prime is 12988711. The next prime is 12988747. The reversal of 12988722 is 22788921.

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

12988722 is an admirable 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, 1082388 + ... + 1082399.

It is an arithmetic number, because the mean of its divisors is an integer number (3247182).

Almost surely, 2^12988722 is an apocalyptic number.

12988722 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.

12988722 is a wasteful number, since it uses less digits than its factorization.

12988722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164792.

The product of its digits is 32256, while the sum is 39.

The square root of 12988722 is about 3603.9869589109. The cubic root of 12988722 is about 235.0654533237.

The spelling of 12988722 in words is "twelve million, nine hundred eighty-eight thousand, seven hundred twenty-two".