13122580 has 12 divisors (see below), whose sum is σ = 27557460. Its totient is φ = 5249024.

The previous prime is 13122547. The next prime is 13122601. The reversal of 13122580 is 8522131.

It can be written as a sum of positive squares in 2 ways, for example, as 8678916 + 4443664 = 2946^2 + 2108^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328045 + ... + 328084.

It is an arithmetic number, because the mean of its divisors is an integer number (2296455).

Almost surely, 2^13122580 is an apocalyptic number.

13122580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13122580 is an abundant number, since it is smaller than the sum of its proper divisors (14434880).

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

13122580 is a wasteful number, since it uses less digits than its factorization.

13122580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656138 (or 656136 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 13122580 is about 3622.5101794198. The cubic root of 13122580 is about 235.8702005762.

The spelling of 13122580 in words is "thirteen million, one hundred twenty-two thousand, five hundred eighty".