12390896 has 40 divisors (see below), whose sum is σ = 27602400. Its totient is φ = 5278464.

The previous prime is 12390887. The next prime is 12390919. The reversal of 12390896 is 69809321.

12390896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35330 + ... + 35678.

It is an arithmetic number, because the mean of its divisors is an integer number (690060).

Almost surely, 2^12390896 is an apocalyptic number.

12390896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12390896 is an abundant number, since it is smaller than the sum of its proper divisors (15211504).

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

12390896 is a wasteful number, since it uses less digits than its factorization.

12390896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681 (or 675 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 12390896 is about 3520.0704538404. The cubic root of 12390896 is about 231.4022463724.

It can be divided in two parts, 123 and 90896, that added together give a palindrome (91019).

The spelling of 12390896 in words is "twelve million, three hundred ninety thousand, eight hundred ninety-six".