13012660 has 24 divisors (see below), whose sum is σ = 27963936. Its totient is φ = 5083680.

The previous prime is 13012609. The next prime is 13012669. The reversal of 13012660 is 6621031.

13012660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012669) 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, 6706 + ... + 8425.

It is an arithmetic number, because the mean of its divisors is an integer number (1165164).

Almost surely, 2^13012660 is an apocalyptic number.

13012660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13012660 is an abundant number, since it is smaller than the sum of its proper divisors (14951276).

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

13012660 is a wasteful number, since it uses less digits than its factorization.

13012660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15183 (or 15181 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 13012660 is about 3607.3064743656. The cubic root of 13012660 is about 235.2097719496.

Adding to 13012660 its reverse (6621031), we get a palindrome (19633691).

The spelling of 13012660 in words is "thirteen million, twelve thousand, six hundred sixty".