13280352 has 24 divisors (see below), whose sum is σ = 34861176. Its totient is φ = 4426752.

The previous prime is 13280339. The next prime is 13280353. The reversal of 13280352 is 25308231.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13280353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69073 + ... + 69264.

It is an arithmetic number, because the mean of its divisors is an integer number (1452549).

Almost surely, 2^13280352 is an apocalyptic number.

13280352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13280352 is an abundant number, since it is smaller than the sum of its proper divisors (21580824).

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

13280352 is a wasteful number, since it uses less digits than its factorization.

13280352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138350 (or 138342 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 13280352 is about 3644.2217276121. The cubic root of 13280352 is about 236.8117217840.

Adding to 13280352 its reverse (25308231), we get a palindrome (38588583).

The spelling of 13280352 in words is "thirteen million, two hundred eighty thousand, three hundred fifty-two".