13771716 has 48 divisors (see below), whose sum is σ = 37287936. Its totient is φ = 3874464.

The previous prime is 13771711. The next prime is 13771727. The reversal of 13771716 is 61717731.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (13771711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4405 + ... + 6851.

It is an arithmetic number, because the mean of its divisors is an integer number (776832).

Almost surely, 2^13771716 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 13771716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18643968).

13771716 is an abundant number, since it is smaller than the sum of its proper divisors (23516220).

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

13771716 is a wasteful number, since it uses less digits than its factorization.

13771716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528 (or 2526 counting only the distinct ones).

The product of its digits is 6174, while the sum is 33.

The square root of 13771716 is about 3711.0262731487. The cubic root of 13771716 is about 239.6970483009.

The spelling of 13771716 in words is "thirteen million, seven hundred seventy-one thousand, seven hundred sixteen".