13966723 has 8 divisors (see below), whose sum is σ = 14420240. Its totient is φ = 13517280.

The previous prime is 13966721. The next prime is 13966747. The reversal of 13966723 is 32766931.

13966723 = 132² + 133² + ... + 353².

13966723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13966723 - 2¹ = 13966721 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13966721) 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, 6913 + ... + 8701.

It is an arithmetic number, because the mean of its divisors is an integer number (1802530).

Almost surely, 2^13966723 is an apocalyptic number.

13966723 is a deficient number, since it is larger than the sum of its proper divisors (453517).

13966723 is a wasteful number, since it uses less digits than its factorization.

13966723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037.

The product of its digits is 40824, while the sum is 37.

The square root of 13966723 is about 3737.2079150082. The cubic root of 13966723 is about 240.8231170527.

The spelling of 13966723 in words is "thirteen million, nine hundred sixty-six thousand, seven hundred twenty-three".