12838290 has 32 divisors (see below), whose sum is σ = 31207680. Its totient is φ = 3379584.

The previous prime is 12838279. The next prime is 12838327. The reversal of 12838290 is 9283821.

12838290 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339 + ... + 5078.

It is an arithmetic number, because the mean of its divisors is an integer number (975240).

Almost surely, 2^12838290 is an apocalyptic number.

12838290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12838290 is an abundant number, since it is smaller than the sum of its proper divisors (18369390).

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

12838290 is a wasteful number, since it uses less digits than its factorization.

12838290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5506.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 12838290 is about 3583.0559582569. The cubic root of 12838290 is about 234.1544381913.

The spelling of 12838290 in words is "twelve million, eight hundred thirty-eight thousand, two hundred ninety".