11636013 has 8 divisors (see below), whose sum is σ = 15665728. Its totient is φ = 7681824.

The previous prime is 11635997. The next prime is 11636029. The reversal of 11636013 is 31063611.

11636013 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11635997) and next prime (11636029).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11636013 - 2⁴ = 11635997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11636063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18520 + ... + 19137.

It is an arithmetic number, because the mean of its divisors is an integer number (1958216).

Almost surely, 2^11636013 is an apocalyptic number.

It is an amenable number.

11636013 is a deficient number, since it is larger than the sum of its proper divisors (4029715).

11636013 is a wasteful number, since it uses less digits than its factorization.

11636013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37763.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 11636013 is about 3411.1600666049. The cubic root of 11636013 is about 226.6042578568.

Adding to 11636013 its reverse (31063611), we get a palindrome (42699624).

The spelling of 11636013 in words is "eleven million, six hundred thirty-six thousand, thirteen".