12838311 has 16 divisors (see below), whose sum is σ = 19108320. Its totient is φ = 8519040.

The previous prime is 12838279. The next prime is 12838327. The reversal of 12838311 is 11383821.

It is not a de Polignac number, because 12838311 - 2⁵ = 12838279 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12838411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5521 + ... + 7493.

It is an arithmetic number, because the mean of its divisors is an integer number (1194270).

Almost surely, 2^12838311 is an apocalyptic number.

12838311 is a deficient number, since it is larger than the sum of its proper divisors (6270009).

12838311 is a wasteful number, since it uses less digits than its factorization.

12838311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223 (or 2217 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 12838311 is about 3583.0588887151. The cubic root of 12838311 is about 234.1545658625.

The spelling of 12838311 in words is "twelve million, eight hundred thirty-eight thousand, three hundred eleven".