13940496 has 60 divisors (see below), whose sum is σ = 39365040. Its totient is φ = 4605120.

The previous prime is 13940491. The next prime is 13940497. The reversal of 13940496 is 69404931.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 13940496.

It is not an unprimeable number, because it can be changed into a prime (13940491) 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, 18495 + ... + 19233.

It is an arithmetic number, because the mean of its divisors is an integer number (656084).

Almost surely, 2^13940496 is an apocalyptic number.

13940496 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 13940496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19682520).

13940496 is an abundant number, since it is smaller than the sum of its proper divisors (25424544).

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

13940496 is a wasteful number, since it uses less digits than its factorization.

13940496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884 (or 875 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 13940496 is about 3733.6973632045. The cubic root of 13940496 is about 240.6722817303.

The spelling of 13940496 in words is "thirteen million, nine hundred forty thousand, four hundred ninety-six".