12909896 has 16 divisors (see below), whose sum is σ = 24368640. Its totient is φ = 6411600.

The previous prime is 12909893. The next prime is 12909907. The reversal of 12909896 is 69890921.

12909896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12909893) 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, 4136 + ... + 6551.

It is an arithmetic number, because the mean of its divisors is an integer number (1523040).

Almost surely, 2^12909896 is an apocalyptic number.

It is an amenable number.

12909896 is a deficient number, since it is larger than the sum of its proper divisors (11458744).

12909896 is a wasteful number, since it uses less digits than its factorization.

12909896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10844 (or 10840 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 12909896 is about 3593.0343722263. The cubic root of 12909896 is about 234.5889661114.

The spelling of 12909896 in words is "twelve million, nine hundred nine thousand, eight hundred ninety-six".