13280099 has 16 divisors (see below), whose sum is σ = 15555072. Its totient is φ = 11104128.

The previous prime is 13280093. The next prime is 13280117. The reversal of 13280099 is 99008231.

13280099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13280099 - 2⁸ = 13279843 is a prime.

It is a super-2 number, since 2×13280099² = 352722058899602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13280093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81392 + ... + 81554.

It is an arithmetic number, because the mean of its divisors is an integer number (972192).

Almost surely, 2^13280099 is an apocalyptic number.

13280099 is a deficient number, since it is larger than the sum of its proper divisors (2274973).

13280099 is a wasteful number, since it uses less digits than its factorization.

13280099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 13280099 is about 3644.1870149596. The cubic root of 13280099 is about 236.8102179648.

The spelling of 13280099 in words is "thirteen million, two hundred eighty thousand, ninety-nine".