12992038 has 8 divisors (see below), whose sum is σ = 20116800. Its totient is φ = 6286440.

The previous prime is 12992017. The next prime is 12992051. The reversal of 12992038 is 83029921.

12992038 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 junction number, because it is equal to n+sod(n) for n = 12991994 and 12992012.

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, 104713 + ... + 104836.

It is an arithmetic number, because the mean of its divisors is an integer number (2514600).

Almost surely, 2^12992038 is an apocalyptic number.

12992038 is a deficient number, since it is larger than the sum of its proper divisors (7124762).

12992038 is a wasteful number, since it uses less digits than its factorization.

12992038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209582.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 12992038 is about 3604.4469756122. The cubic root of 12992038 is about 235.0854555667.

The spelling of 12992038 in words is "twelve million, nine hundred ninety-two thousand, thirty-eight".