13279580 has 12 divisors (see below), whose sum is σ = 27887160. Its totient is φ = 5311824.

The previous prime is 13279571. The next prime is 13279583. The reversal of 13279580 is 8597231.

It is a self number, because there is not a number n which added to its sum of digits gives 13279580.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13279583) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 331970 + ... + 332009.

It is an arithmetic number, because the mean of its divisors is an integer number (2323930).

Almost surely, 2^13279580 is an apocalyptic number.

13279580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13279580 is an abundant number, since it is smaller than the sum of its proper divisors (14607580).

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

13279580 is a wasteful number, since it uses less digits than its factorization.

13279580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663988 (or 663986 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 13279580 is about 3644.1158049656. The cubic root of 13279580 is about 236.8071329952.

The spelling of 13279580 in words is "thirteen million, two hundred seventy-nine thousand, five hundred eighty".