13431327 has 16 divisors (see below), whose sum is σ = 22041600. Its totient is φ = 7084512.

The previous prime is 13431323. The next prime is 13431349. The reversal of 13431327 is 72313431.

It is not a de Polignac number, because 13431327 - 2² = 13431323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13431297 and 13431306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13431323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24327 + ... + 24872.

It is an arithmetic number, because the mean of its divisors is an integer number (1377600).

Almost surely, 2^13431327 is an apocalyptic number.

13431327 is a deficient number, since it is larger than the sum of its proper divisors (8610273).

13431327 is a wasteful number, since it uses less digits than its factorization.

13431327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49222.

The product of its digits is 1512, while the sum is 24.

The square root of 13431327 is about 3664.8774877204. The cubic root of 13431327 is about 237.7057246105.

Adding to 13431327 its reverse (72313431), we get a palindrome (85744758).

The spelling of 13431327 in words is "thirteen million, four hundred thirty-one thousand, three hundred twenty-seven".