13280386 has 16 divisors (see below), whose sum is σ = 22824000. Its totient is φ = 5677200.

The previous prime is 13280363. The next prime is 13280401. The reversal of 13280386 is 68308231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6036 + ... + 7936.

It is an arithmetic number, because the mean of its divisors is an integer number (1426500).

Almost surely, 2^13280386 is an apocalyptic number.

13280386 is a deficient number, since it is larger than the sum of its proper divisors (9543614).

13280386 is a wasteful number, since it uses less digits than its factorization.

13280386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 13280386 is about 3644.2263925283. The cubic root of 13280386 is about 236.8119238768.

The spelling of 13280386 in words is "thirteen million, two hundred eighty thousand, three hundred eighty-six".