13258840 has 32 divisors (see below), whose sum is σ = 34094880. Its totient is φ = 4545792.

The previous prime is 13258837. The next prime is 13258849. The reversal of 13258840 is 4885231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13258849) 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, 23397 + ... + 23956.

It is an arithmetic number, because the mean of its divisors is an integer number (1065465).

Almost surely, 2^13258840 is an apocalyptic number.

13258840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13258840 is an abundant number, since it is smaller than the sum of its proper divisors (20836040).

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

13258840 is a wasteful number, since it uses less digits than its factorization.

13258840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47371 (or 47367 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 13258840 is about 3641.2690095625. The cubic root of 13258840 is about 236.6837872514.

The spelling of 13258840 in words is "thirteen million, two hundred fifty-eight thousand, eight hundred forty".