13704057 has 24 divisors (see below), whose sum is σ = 21456864. Its totient is φ = 8394624.

The previous prime is 13704049. The next prime is 13704083. The reversal of 13704057 is 75040731.

It is not a de Polignac number, because 13704057 - 2³ = 13704049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13704057.

It is not an unprimeable number, because it can be changed into a prime (13704857) 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 23 ways as a sum of consecutive naturals, for example, 5538 + ... + 7620.

It is an arithmetic number, because the mean of its divisors is an integer number (894036).

Almost surely, 2^13704057 is an apocalyptic number.

13704057 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13704057 is a deficient number, since it is larger than the sum of its proper divisors (7752807).

13704057 is a wasteful number, since it uses less digits than its factorization.

13704057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149 (or 2146 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 13704057 is about 3701.8991072151. The cubic root of 13704057 is about 239.3038682044.

Adding to 13704057 its reverse (75040731), we get a palindrome (88744788).

The spelling of 13704057 in words is "thirteen million, seven hundred four thousand, fifty-seven".