12688054 has 4 divisors (see below), whose sum is σ = 19032084. Its totient is φ = 6344026.

The previous prime is 12688037. The next prime is 12688079. The reversal of 12688054 is 45088621.

12688054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45088621 = 71 ⋅635051.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3172012 + ... + 3172015.

It is an arithmetic number, because the mean of its divisors is an integer number (4758021).

Almost surely, 2^12688054 is an apocalyptic number.

12688054 is a deficient number, since it is larger than the sum of its proper divisors (6344030).

12688054 is an equidigital number, since it uses as much as digits as its factorization.

12688054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6344029.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 12688054 is about 3562.0294776995. The cubic root of 12688054 is about 233.2374794493.

The spelling of 12688054 in words is "twelve million, six hundred eighty-eight thousand, fifty-four".