12680416 has 36 divisors (see below), whose sum is σ = 29044008. Its totient is φ = 5433792.

The previous prime is 12680413. The next prime is 12680431. The reversal of 12680416 is 61408621.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12680411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2476 + ... + 5611.

It is an arithmetic number, because the mean of its divisors is an integer number (806778).

Almost surely, 2^12680416 is an apocalyptic number.

12680416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12680416 is an abundant number, since it is smaller than the sum of its proper divisors (16363592).

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

12680416 is an equidigital number, since it uses as much as digits as its factorization.

12680416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8111 (or 8096 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 12680416 is about 3560.9571746933. The cubic root of 12680416 is about 233.1906683449.

The spelling of 12680416 in words is "twelve million, six hundred eighty thousand, four hundred sixteen".