12487966 has 8 divisors (see below), whose sum is σ = 19085544. Its totient is φ = 6126120.

The previous prime is 12487963. The next prime is 12487973. The reversal of 12487966 is 66978421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12487963) 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, 58800 + ... + 59011.

It is an arithmetic number, because the mean of its divisors is an integer number (2385693).

Almost surely, 2^12487966 is an apocalyptic number.

12487966 is a deficient number, since it is larger than the sum of its proper divisors (6597578).

12487966 is a wasteful number, since it uses less digits than its factorization.

12487966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117866.

The product of its digits is 145152, while the sum is 43.

The square root of 12487966 is about 3533.8316315297. The cubic root of 12487966 is about 232.0049419280.

The spelling of 12487966 in words is "twelve million, four hundred eighty-seven thousand, nine hundred sixty-six".