12685416 has 16 divisors (see below), whose sum is σ = 31713600. Its totient is φ = 4228464.

The previous prime is 12685411. The next prime is 12685427. The reversal of 12685416 is 61458621.

12685416 is nontrivially palindromic in base 11.

It is not an unprimeable number, because it can be changed into a prime (12685411) 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, 264256 + ... + 264303.

It is an arithmetic number, because the mean of its divisors is an integer number (1982100).

Almost surely, 2^12685416 is an apocalyptic number.

It is an amenable number.

12685416 is an abundant number, since it is smaller than the sum of its proper divisors (19028184).

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

12685416 is a wasteful number, since it uses less digits than its factorization.

12685416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528568 (or 528564 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 12685416 is about 3561.6591639291. The cubic root of 12685416 is about 233.2213140305.

The spelling of 12685416 in words is "twelve million, six hundred eighty-five thousand, four hundred sixteen".