13773996 has 48 divisors (see below), whose sum is σ = 36136800. Its totient is φ = 4536576.

The previous prime is 13773979. The next prime is 13774001. The reversal of 13773996 is 69937731.

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 15 ways as a sum of consecutive naturals, for example, 8896 + ... + 10328.

It is an arithmetic number, because the mean of its divisors is an integer number (752850).

Almost surely, 2^13773996 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 13773996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18068400).

13773996 is an abundant number, since it is smaller than the sum of its proper divisors (22362804).

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

13773996 is a wasteful number, since it uses less digits than its factorization.

13773996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535 (or 1527 counting only the distinct ones).

The product of its digits is 214326, while the sum is 45.

The square root of 13773996 is about 3711.3334530866. Note that the first 3 decimals coincide. The cubic root of 13773996 is about 239.7102753893.

The spelling of 13773996 in words is "thirteen million, seven hundred seventy-three thousand, nine hundred ninety-six".