13051660 has 24 divisors (see below), whose sum is σ = 27664560. Its totient is φ = 5171904.

The previous prime is 13051657. The next prime is 13051679. The reversal of 13051660 is 6615031.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 814 + ... + 5173.

It is an arithmetic number, because the mean of its divisors is an integer number (1152690).

Almost surely, 2^13051660 is an apocalyptic number.

13051660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13051660 is an abundant number, since it is smaller than the sum of its proper divisors (14612900).

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

13051660 is a wasteful number, since it uses less digits than its factorization.

13051660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6105 (or 6103 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 13051660 is about 3612.7081254926. The cubic root of 13051660 is about 235.4445185241. Note that the first 3 decimals are identical.

Adding to 13051660 its reverse (6615031), we get a palindrome (19666691).

The spelling of 13051660 in words is "thirteen million, fifty-one thousand, six hundred sixty".