13512018 has 32 divisors (see below), whose sum is σ = 29276352. Its totient is φ = 4132800.

The previous prime is 13512013. The next prime is 13512029. The reversal of 13512018 is 81021531.

13512018 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 junction number, because it is equal to n+sod(n) for n = 13511985 and 13512003.

It is not an unprimeable number, because it can be changed into a prime (13512013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16048 + ... + 16868.

It is an arithmetic number, because the mean of its divisors is an integer number (914886).

Almost surely, 2^13512018 is an apocalyptic number.

13512018 is an abundant number, since it is smaller than the sum of its proper divisors (15764334).

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

13512018 is a wasteful number, since it uses less digits than its factorization.

13512018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 13512018 is about 3675.8696930114. The cubic root of 13512018 is about 238.1807938234.

Adding to 13512018 its reverse (81021531), we get a palindrome (94533549).

The spelling of 13512018 in words is "thirteen million, five hundred twelve thousand, eighteen".