12688354 has 24 divisors (see below), whose sum is σ = 22662288. Its totient is φ = 5309640.

The previous prime is 12688343. The next prime is 12688367. The reversal of 12688354 is 45388621.

It is a happy number.

12688354 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

12688354 is strictly pandigital in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2709 + ... + 5719.

It is an arithmetic number, because the mean of its divisors is an integer number (944262).

Almost surely, 2^12688354 is an apocalyptic number.

12688354 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12688354 is a deficient number, since it is larger than the sum of its proper divisors (9973934).

12688354 is a wasteful number, since it uses less digits than its factorization.

12688354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3070 (or 3063 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 12688354 is about 3562.0715882756. The cubic root of 12688354 is about 233.2393176795.

The spelling of 12688354 in words is "twelve million, six hundred eighty-eight thousand, three hundred fifty-four".