13008813 has 8 divisors (see below), whose sum is σ = 17410176. Its totient is φ = 8640000.

The previous prime is 13008811. The next prime is 13008881. The reversal of 13008813 is 31880031.

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

It is not a de Polignac number, because 13008813 - 2¹ = 13008811 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13008811) 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, 7188 + ... + 8813.

It is an arithmetic number, because the mean of its divisors is an integer number (2176272).

Almost surely, 2^13008813 is an apocalyptic number.

It is an amenable number.

13008813 is a deficient number, since it is larger than the sum of its proper divisors (4401363).

13008813 is a wasteful number, since it uses less digits than its factorization.

13008813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16275.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 13008813 is about 3606.7732116117. The cubic root of 13008813 is about 235.1865909045.

Adding to 13008813 its reverse (31880031), we get a palindrome (44888844).

It can be divided in two parts, 13008 and 813, that multiplied together give a square (10575504 = 3252²).

The spelling of 13008813 in words is "thirteen million, eight thousand, eight hundred thirteen".