13022688 has 48 divisors (see below), whose sum is σ = 39070080. Its totient is φ = 3720576.

The previous prime is 13022687. The next prime is 13022699. The reversal of 13022688 is 88622031.

13022688 is digitally balanced in base 2, base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

13022688 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13022687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9018 + ... + 10361.

It is an arithmetic number, because the mean of its divisors is an integer number (813960).

Almost surely, 2^13022688 is an apocalyptic number.

It is an amenable number.

13022688 is an abundant number, since it is smaller than the sum of its proper divisors (26047392).

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

13022688 is a wasteful number, since it uses less digits than its factorization.

13022688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19399 (or 19391 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 13022688 is about 3608.6961634363. The cubic root of 13022688 is about 235.2701766621.

The spelling of 13022688 in words is "thirteen million, twenty-two thousand, six hundred eighty-eight".