13969312 has 72 divisors (see below), whose sum is σ = 32749920. Its totient is φ = 5846400.

The previous prime is 13969309. The next prime is 13969337. The reversal of 13969312 is 21396931.

It is an unprimeable number.

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, 92437 + ... + 92587.

It is an arithmetic number, because the mean of its divisors is an integer number (454860).

Almost surely, 2^13969312 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 13969312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16374960).

13969312 is an abundant number, since it is smaller than the sum of its proper divisors (18780608).

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

13969312 is a wasteful number, since it uses less digits than its factorization.

13969312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 219 counting only the distinct ones).

The product of its digits is 8748, while the sum is 34.

The square root of 13969312 is about 3737.5542805423. The cubic root of 13969312 is about 240.8379965280.

The spelling of 13969312 in words is "thirteen million, nine hundred sixty-nine thousand, three hundred twelve".