13995776 has 36 divisors (see below), whose sum is σ = 29163792. Its totient is φ = 6690816.

The previous prime is 13995757. The next prime is 13995791. The reversal of 13995776 is 67759931.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13995776.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4700 + ... + 7076.

Almost surely, 2^13995776 is an apocalyptic number.

13995776 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 13995776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14581896).

13995776 is an abundant number, since it is smaller than the sum of its proper divisors (15168016).

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

13995776 is an equidigital number, since it uses as much as digits as its factorization.

13995776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416 (or 2402 counting only the distinct ones).

The product of its digits is 357210, while the sum is 47.

The square root of 13995776 is about 3741.0928884485. The cubic root of 13995776 is about 240.9899848343.

The spelling of 13995776 in words is "thirteen million, nine hundred ninety-five thousand, seven hundred seventy-six".