13932401 has 24 divisors (see below), whose sum is σ = 17329536. Its totient is φ = 10967040.

The previous prime is 13932389. The next prime is 13932403. The reversal of 13932401 is 10423931.

It is not a de Polignac number, because 13932401 - 2¹⁴ = 13916017 is a prime.

It is a super-3 number, since 3×13932401³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (13932403) 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, 143585 + ... + 143681.

It is an arithmetic number, because the mean of its divisors is an integer number (722064).

Almost surely, 2^13932401 is an apocalyptic number.

It is an amenable number.

13932401 is a deficient number, since it is larger than the sum of its proper divisors (3397135).

13932401 is an equidigital number, since it uses as much as digits as its factorization.

13932401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 13932401 is about 3732.6131597046. The cubic root of 13932401 is about 240.6256879949.

The spelling of 13932401 in words is "thirteen million, nine hundred thirty-two thousand, four hundred one".