13280249 has 12 divisors (see below), whose sum is σ = 13981968. Its totient is φ = 12605040.

The previous prime is 13280237. The next prime is 13280257. The reversal of 13280249 is 94208231.

It is not a de Polignac number, because 13280249 - 2¹⁶ = 13214713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13280209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159962 + ... + 160044.

It is an arithmetic number, because the mean of its divisors is an integer number (1165164).

Almost surely, 2^13280249 is an apocalyptic number.

It is an amenable number.

13280249 is a deficient number, since it is larger than the sum of its proper divisors (701719).

13280249 is an frugal number, since it uses more digits than its factorization.

13280249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 13280249 is about 3644.2075956235. The cubic root of 13280249 is about 236.8111095595.

The spelling of 13280249 in words is "thirteen million, two hundred eighty thousand, two hundred forty-nine".