13693966 has 16 divisors (see below), whose sum is σ = 24132528. Its totient is φ = 5745600.

The previous prime is 13693963. The next prime is 13693969. The reversal of 13693966 is 66939631.

It is an interprime number because it is at equal distance from previous prime (13693963) and next prime (13693969).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13693961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23655 + ... + 24226.

It is an arithmetic number, because the mean of its divisors is an integer number (1508283).

Almost surely, 2^13693966 is an apocalyptic number.

13693966 is a deficient number, since it is larger than the sum of its proper divisors (10438562).

13693966 is a wasteful number, since it uses less digits than its factorization.

13693966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47907.

The product of its digits is 157464, while the sum is 43.

The square root of 13693966 is about 3700.5359071356. The cubic root of 13693966 is about 239.2451165444.

It can be divided in two parts, 1369 and 3966, that added together give a palindrome (5335).

The spelling of 13693966 in words is "thirteen million, six hundred ninety-three thousand, nine hundred sixty-six".