13457280 has 128 divisors (see below), whose sum is σ = 44161920. Its totient is φ = 3483648.

The previous prime is 13457273. The next prime is 13457293. The reversal of 13457280 is 8275431.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 82479 + ... + 82641.

It is an arithmetic number, because the mean of its divisors is an integer number (345015).

Almost surely, 2^13457280 is an apocalyptic number.

13457280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13457280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22080960).

13457280 is an abundant number, since it is smaller than the sum of its proper divisors (30704640).

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

13457280 is a wasteful number, since it uses less digits than its factorization.

13457280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 13457280 is about 3668.4165521380. The cubic root of 13457280 is about 237.8587302770.

The spelling of 13457280 in words is "thirteen million, four hundred fifty-seven thousand, two hundred eighty".