12689038 has 8 divisors (see below), whose sum is σ = 20153232. Its totient is φ = 5971296.

The previous prime is 12689029. The next prime is 12689051. The reversal of 12689038 is 83098621.

12689038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12689038² = 322023370730888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12688988 and 12689006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186570 + ... + 186637.

It is an arithmetic number, because the mean of its divisors is an integer number (2519154).

Almost surely, 2^12689038 is an apocalyptic number.

12689038 is a deficient number, since it is larger than the sum of its proper divisors (7464194).

12689038 is a wasteful number, since it uses less digits than its factorization.

12689038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373226.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 12689038 is about 3562.1675985276. The cubic root of 12689038 is about 233.2435087360.

The spelling of 12689038 in words is "twelve million, six hundred eighty-nine thousand, thirty-eight".