13966746 has 16 divisors (see below), whose sum is σ = 27972000. Its totient is φ = 4649168.

The previous prime is 13966721. The next prime is 13966747. The reversal of 13966746 is 64766931.

It is a junction number, because it is equal to n+sod(n) for n = 13966698 and 13966707.

It is not an unprimeable number, because it can be changed into a prime (13966747) 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 7 ways as a sum of consecutive naturals, for example, 5605 + ... + 7703.

It is an arithmetic number, because the mean of its divisors is an integer number (1748250).

Almost surely, 2^13966746 is an apocalyptic number.

13966746 is an abundant number, since it is smaller than the sum of its proper divisors (14005254).

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

13966746 is a wasteful number, since it uses less digits than its factorization.

13966746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213.

The product of its digits is 163296, while the sum is 42.

The square root of 13966746 is about 3737.2109921705. The cubic root of 13966746 is about 240.8232492462.

The spelling of 13966746 in words is "thirteen million, nine hundred sixty-six thousand, seven hundred forty-six".