12838402 has 16 divisors (see below), whose sum is σ = 20259072. Its totient is φ = 6093360.

The previous prime is 12838373. The next prime is 12838409. The reversal of 12838402 is 20483821.

It is not an unprimeable number, because it can be changed into a prime (12838409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1333 + ... + 5239.

It is an arithmetic number, because the mean of its divisors is an integer number (1266192).

Almost surely, 2^12838402 is an apocalyptic number.

12838402 is a deficient number, since it is larger than the sum of its proper divisors (7420670).

12838402 is a wasteful number, since it uses less digits than its factorization.

12838402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3993.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 12838402 is about 3583.0715873396. The cubic root of 12838402 is about 234.1551191029.

The spelling of 12838402 in words is "twelve million, eight hundred thirty-eight thousand, four hundred two".