13693736 has 48 divisors (see below), whose sum is σ = 30188340. Its totient is φ = 5806080.

The previous prime is 13693733. The next prime is 13693751. The reversal of 13693736 is 63739631.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10824100 + 2869636 = 3290^2 + 1694^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13693736.

It is not an unprimeable number, because it can be changed into a prime (13693733) 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 11 ways as a sum of consecutive naturals, for example, 70856 + ... + 71048.

Almost surely, 2^13693736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13693736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15094170).

13693736 is an abundant number, since it is smaller than the sum of its proper divisors (16494604).

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

13693736 is a wasteful number, since it uses less digits than its factorization.

13693736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 383 counting only the distinct ones).

The product of its digits is 61236, while the sum is 38.

The square root of 13693736 is about 3700.5048304252. The cubic root of 13693736 is about 239.2437771056.

The spelling of 13693736 in words is "thirteen million, six hundred ninety-three thousand, seven hundred thirty-six".