13688354 has 16 divisors (see below), whose sum is σ = 21003840. Its totient is φ = 6688560.

The previous prime is 13688347. The next prime is 13688357. The reversal of 13688354 is 45388631.

It is not an unprimeable number, because it can be changed into a prime (13688357) by changing a digit.

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, 36512 + ... + 36884.

It is an arithmetic number, because the mean of its divisors is an integer number (1312740).

Almost surely, 2^13688354 is an apocalyptic number.

13688354 is a deficient number, since it is larger than the sum of its proper divisors (7315486).

13688354 is a wasteful number, since it uses less digits than its factorization.

13688354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745.

The product of its digits is 69120, while the sum is 38.

The square root of 13688354 is about 3699.7775608812. Note that the first 3 decimals coincide. The cubic root of 13688354 is about 239.2124299570.

The spelling of 13688354 in words is "thirteen million, six hundred eighty-eight thousand, three hundred fifty-four".