13102818 has 32 divisors (see below), whose sum is σ = 29211840. Its totient is φ = 3893760.

The previous prime is 13102807. The next prime is 13102823. The reversal of 13102818 is 81820131.

It is a super-2 number, since 2×13102818² = 343367679082248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1443 + ... + 5318.

It is an arithmetic number, because the mean of its divisors is an integer number (912870).

Almost surely, 2^13102818 is an apocalyptic number.

13102818 is an abundant number, since it is smaller than the sum of its proper divisors (16109022).

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

13102818 is a wasteful number, since it uses less digits than its factorization.

13102818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6802.

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 13102818 is about 3619.7814851176. The cubic root of 13102818 is about 235.7517378769.

Adding to 13102818 its reverse (81820131), we get a palindrome (94922949).

It can be divided in two parts, 13 and 102818, that added together give a triangular number (102831 = T₄₅₃).

The spelling of 13102818 in words is "thirteen million, one hundred two thousand, eight hundred eighteen".