13506788 has 12 divisors (see below), whose sum is σ = 23936640. Its totient is φ = 6667752.

The previous prime is 13506767. The next prime is 13506791. The reversal of 13506788 is 88760531.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 21056 + ... + 21687.

It is an arithmetic number, because the mean of its divisors is an integer number (1994720).

Almost surely, 2^13506788 is an apocalyptic number.

It is an amenable number.

13506788 is a deficient number, since it is larger than the sum of its proper divisors (10429852).

13506788 is a wasteful number, since it uses less digits than its factorization.

13506788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42826 (or 42824 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 13506788 is about 3675.1582278862. The cubic root of 13506788 is about 238.1500595465.

The spelling of 13506788 in words is "thirteen million, five hundred six thousand, seven hundred eighty-eight".