12147716 has 12 divisors (see below), whose sum is σ = 24295488. Its totient is φ = 5206152.

The previous prime is 12147713. The next prime is 12147727. The reversal of 12147716 is 61774121.

12147716 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12147713) 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, 216896 + ... + 216951.

It is an arithmetic number, because the mean of its divisors is an integer number (2024624).

Almost surely, 2^12147716 is an apocalyptic number.

It is an amenable number.

12147716 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12147716 is a wasteful number, since it uses less digits than its factorization.

12147716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433858 (or 433856 counting only the distinct ones).

The product of its digits is 2352, while the sum is 29.

The square root of 12147716 is about 3485.3573704858. The cubic root of 12147716 is about 229.8784234594.

The spelling of 12147716 in words is "twelve million, one hundred forty-seven thousand, seven hundred sixteen".