12838554 has 32 divisors (see below), whose sum is σ = 29773440. Its totient is φ = 4093056.

The previous prime is 12838549. The next prime is 12838559. The reversal of 12838554 is 45583821.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12838549) and next prime (12838559).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12838559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3927 + ... + 6410.

It is an arithmetic number, because the mean of its divisors is an integer number (930420).

Almost surely, 2^12838554 is an apocalyptic number.

12838554 is an abundant number, since it is smaller than the sum of its proper divisors (16934886).

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

12838554 is a wasteful number, since it uses less digits than its factorization.

12838554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10371 (or 10365 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 12838554 is about 3583.0927981285. The cubic root of 12838554 is about 234.1560431908.

The spelling of 12838554 in words is "twelve million, eight hundred thirty-eight thousand, five hundred fifty-four".