12966699 has 8 divisors (see below), whose sum is σ = 18306000. Its totient is φ = 8135936.

The previous prime is 12966661. The next prime is 12966703. The reversal of 12966699 is 99666921.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12966699 - 2¹³ = 12958507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12966299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127074 + ... + 127175.

It is an arithmetic number, because the mean of its divisors is an integer number (2288250).

Almost surely, 2^12966699 is an apocalyptic number.

12966699 is a deficient number, since it is larger than the sum of its proper divisors (5339301).

12966699 is a wasteful number, since it uses less digits than its factorization.

12966699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254269.

The product of its digits is 314928, while the sum is 48.

The square root of 12966699 is about 3600.9302964651. The cubic root of 12966699 is about 234.9325232556.

The spelling of 12966699 in words is "twelve million, nine hundred sixty-six thousand, six hundred ninety-nine".