13012918 has 16 divisors (see below), whose sum is σ = 20077200. Its totient is φ = 6322176.

The previous prime is 13012913. The next prime is 13012921. The reversal of 13012918 is 81921031.

It is a junction number, because it is equal to n+sod(n) for n = 13012892 and 13012901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012913) 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, 28758 + ... + 29206.

It is an arithmetic number, because the mean of its divisors is an integer number (1254825).

Almost surely, 2^13012918 is an apocalyptic number.

13012918 is a deficient number, since it is larger than the sum of its proper divisors (7064282).

13012918 is a wasteful number, since it uses less digits than its factorization.

13012918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 13012918 is about 3607.3422349425. The cubic root of 13012918 is about 235.2113264286.

Adding to 13012918 its reverse (81921031), we get a palindrome (94933949).

The spelling of 13012918 in words is "thirteen million, twelve thousand, nine hundred eighteen".