13630036 has 36 divisors (see below), whose sum is σ = 27966708. Its totient is φ = 5795328.

The previous prime is 13630033. The next prime is 13630037. The reversal of 13630036 is 63003631.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10368400 + 3261636 = 3220^2 + 1806^2 .

It is a super-2 number, since 2×13630036² = 371555762722592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13629989 and 13630016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13630031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38436 + ... + 38788.

It is an arithmetic number, because the mean of its divisors is an integer number (776853).

Almost surely, 2^13630036 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 13630036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13983354).

13630036 is an abundant number, since it is smaller than the sum of its proper divisors (14336672).

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

13630036 is a wasteful number, since it uses less digits than its factorization.

13630036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568 (or 559 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 13630036 is about 3691.8878639525. The cubic root of 13630036 is about 238.8722320297.

Adding to 13630036 its reverse (63003631), we get a palindrome (76633667).

The spelling of 13630036 in words is "thirteen million, six hundred thirty thousand, thirty-six".