13786401 has 8 divisors (see below), whose sum is σ = 18485280. Its totient is φ = 9139232.

The previous prime is 13786393. The next prime is 13786411. The reversal of 13786401 is 10468731.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13786401 - 2³ = 13786393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13786411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12300 + ... + 13373.

It is an arithmetic number, because the mean of its divisors is an integer number (2310660).

Almost surely, 2^13786401 is an apocalyptic number.

It is an amenable number.

13786401 is a deficient number, since it is larger than the sum of its proper divisors (4698879).

13786401 is a wasteful number, since it uses less digits than its factorization.

13786401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25855.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 13786401 is about 3713.0043091814. The cubic root of 13786401 is about 239.7822156291.

The spelling of 13786401 in words is "thirteen million, seven hundred eighty-six thousand, four hundred one".