13630869 has 24 divisors (see below), whose sum is σ = 23493120. Its totient is φ = 7788312.

The previous prime is 13630867. The next prime is 13630873. The reversal of 13630869 is 96803631.

It is a happy number.

13630869 is a `hidden beast` number, since 13 + 630 + 8 + 6 + 9 = 666.

13630869 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13630869 - 2¹ = 13630867 is a prime.

It is a super-2 number, since 2×13630869² = 371601179390322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13630861) 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 23 ways as a sum of consecutive naturals, for example, 3829 + ... + 6474.

It is an arithmetic number, because the mean of its divisors is an integer number (978880).

Almost surely, 2^13630869 is an apocalyptic number.

It is an amenable number.

13630869 is a deficient number, since it is larger than the sum of its proper divisors (9862251).

13630869 is a wasteful number, since it uses less digits than its factorization.

13630869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10326 (or 10313 counting only the distinct ones).

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

The square root of 13630869 is about 3692.0006771397. Note that the first 3 decimals coincide. The cubic root of 13630869 is about 238.8770981581.

The spelling of 13630869 in words is "thirteen million, six hundred thirty thousand, eight hundred sixty-nine".