13012818 has 32 divisors (see below), whose sum is σ = 32032896. Its totient is φ = 3431808.

The previous prime is 13012799. The next prime is 13012849. The reversal of 13012818 is 81821031.

13012818 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 a super-2 number, since 2×13012818² = 338666864602248, 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, 11371 + ... + 12462.

It is an arithmetic number, because the mean of its divisors is an integer number (1001028).

Almost surely, 2^13012818 is an apocalyptic number.

13012818 is an abundant number, since it is smaller than the sum of its proper divisors (19020078).

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

13012818 is a wasteful number, since it uses less digits than its factorization.

13012818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23858.

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

The square root of 13012818 is about 3607.3283742959. The cubic root of 13012818 is about 235.2107239198.

Adding to 13012818 its reverse (81821031), we get a palindrome (94833849).

The spelling of 13012818 in words is "thirteen million, twelve thousand, eight hundred eighteen".