13206988 has 24 divisors (see below), whose sum is σ = 23748480. Its totient is φ = 6424320.

The previous prime is 13206979. The next prime is 13207001. The reversal of 13206988 is 88960231.

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 7 ways as a sum of consecutive naturals, for example, 27333 + ... + 27811.

It is an arithmetic number, because the mean of its divisors is an integer number (989520).

Almost surely, 2^13206988 is an apocalyptic number.

It is an amenable number.

13206988 is a deficient number, since it is larger than the sum of its proper divisors (10541492).

13206988 is a wasteful number, since it uses less digits than its factorization.

13206988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657 (or 655 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 13206988 is about 3634.1419895210. The cubic root of 13206988 is about 236.3748471821.

The spelling of 13206988 in words is "thirteen million, two hundred six thousand, nine hundred eighty-eight".