12811038 has 8 divisors (see below), whose sum is σ = 25622088. Its totient is φ = 4270344.

The previous prime is 12811009. The next prime is 12811049. The reversal of 12811038 is 83011821.

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

12811038 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12810999 and 12811017.

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, 1067581 + ... + 1067592.

It is an arithmetic number, because the mean of its divisors is an integer number (3202761).

Almost surely, 2^12811038 is an apocalyptic number.

12811038 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12811038 is a wasteful number, since it uses less digits than its factorization.

12811038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135178.

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 12811038 is about 3579.2510389745. The cubic root of 12811038 is about 233.9886399628.

Adding to 12811038 its reverse (83011821), we get a palindrome (95822859).

The spelling of 12811038 in words is "twelve million, eight hundred eleven thousand, thirty-eight".