13399827 has 16 divisors (see below), whose sum is σ = 21123840. Its totient is φ = 7392672.

The previous prime is 13399819. The next prime is 13399829. The reversal of 13399827 is 72899331.

It is not a de Polignac number, because 13399827 - 2³ = 13399819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13399829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10393 + ... + 11610.

It is an arithmetic number, because the mean of its divisors is an integer number (1320240).

Almost surely, 2^13399827 is an apocalyptic number.

13399827 is a deficient number, since it is larger than the sum of its proper divisors (7724013).

13399827 is a wasteful number, since it uses less digits than its factorization.

13399827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22042.

The product of its digits is 81648, while the sum is 42.

The square root of 13399827 is about 3660.5774134691. The cubic root of 13399827 is about 237.5197516352.

The spelling of 13399827 in words is "thirteen million, three hundred ninety-nine thousand, eight hundred twenty-seven".