12320838 has 24 divisors (see below), whose sum is σ = 26769600. Its totient is φ = 4095504.

The previous prime is 12320827. The next prime is 12320849. The reversal of 12320838 is 83802321.

It is an interprime number because it is at equal distance from previous prime (12320827) and next prime (12320849).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7908 + ... + 9336.

It is an arithmetic number, because the mean of its divisors is an integer number (1115400).

Almost surely, 2^12320838 is an apocalyptic number.

12320838 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12320838 is an abundant number, since it is smaller than the sum of its proper divisors (14448762).

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

12320838 is a wasteful number, since it uses less digits than its factorization.

12320838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916 (or 1913 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 12320838 is about 3510.1051266308. The cubic root of 12320838 is about 230.9653065342.

The spelling of 12320838 in words is "twelve million, three hundred twenty thousand, eight hundred thirty-eight".