13630771 has 30 divisors (see below), whose sum is σ = 18359700. Its totient is φ = 10062360.

The previous prime is 13630769. The next prime is 13630781. The reversal of 13630771 is 17703631.

It is not a de Polignac number, because 13630771 - 2¹ = 13630769 is a prime.

It is a nialpdrome in base 11.

It is a zygodrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (13630741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 717400 + ... + 717418.

It is an arithmetic number, because the mean of its divisors is an integer number (611990).

Almost surely, 2^13630771 is an apocalyptic number.

13630771 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13630771 is a deficient number, since it is larger than the sum of its proper divisors (4728929).

13630771 is an frugal number, since it uses more digits than its factorization.

13630771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 37 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 13630771 is about 3691.9874051790. The cubic root of 13630771 is about 238.8765256827.

The spelling of 13630771 in words is "thirteen million, six hundred thirty thousand, seven hundred seventy-one".