13949696 has 36 divisors (see below), whose sum is σ = 28820400. Its totient is φ = 6730752.

The previous prime is 13949693. The next prime is 13949729. The reversal of 13949696 is 69694931.

It is a self number, because there is not a number n which added to its sum of digits gives 13949696.

It is not an unprimeable number, because it can be changed into a prime (13949693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6485 + ... + 8363.

Almost surely, 2^13949696 is an apocalyptic number.

13949696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13949696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14410200).

13949696 is an abundant number, since it is smaller than the sum of its proper divisors (14870704).

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

13949696 is an equidigital number, since it uses as much as digits as its factorization.

13949696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924 (or 1910 counting only the distinct ones).

The product of its digits is 314928, while the sum is 47.

The square root of 13949696 is about 3734.9291827289. The cubic root of 13949696 is about 240.7252138041.

The spelling of 13949696 in words is "thirteen million, nine hundred forty-nine thousand, six hundred ninety-six".