12405696 has 28 divisors (see below), whose sum is σ = 32823912. Its totient is φ = 4135168.

The previous prime is 12405691. The next prime is 12405703. The reversal of 12405696 is 69650421.

12405696 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 not an unprimeable number, because it can be changed into a prime (12405691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32115 + ... + 32498.

Almost surely, 2^12405696 is an apocalyptic number.

12405696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12405696 is an abundant number, since it is smaller than the sum of its proper divisors (20418216).

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

12405696 is an equidigital number, since it uses as much as digits as its factorization.

12405696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64628 (or 64618 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 12405696 is about 3522.1720571261. The cubic root of 12405696 is about 231.4943406168.

The spelling of 12405696 in words is "twelve million, four hundred five thousand, six hundred ninety-six".