13678966 has 8 divisors (see below), whose sum is σ = 23449680. Its totient is φ = 5862408.

The previous prime is 13678963. The next prime is 13678969. The reversal of 13678966 is 66987631.

It is an interprime number because it is at equal distance from previous prime (13678963) and next prime (13678969).

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

It is a super-2 number, since 2×13678966² = 374228221658312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13678961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488521 + ... + 488548.

It is an arithmetic number, because the mean of its divisors is an integer number (2931210).

Almost surely, 2^13678966 is an apocalyptic number.

13678966 is a deficient number, since it is larger than the sum of its proper divisors (9770714).

13678966 is an equidigital number, since it uses as much as digits as its factorization.

13678966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977078.

The product of its digits is 326592, while the sum is 46.

The square root of 13678966 is about 3698.5086183488. The cubic root of 13678966 is about 239.1577304197.

The spelling of 13678966 in words is "thirteen million, six hundred seventy-eight thousand, nine hundred sixty-six".