13488431 has 8 divisors (see below), whose sum is σ = 14741328. Its totient is φ = 12240000.

The previous prime is 13488427. The next prime is 13488479.

13488431 is nontrivially palindromic in base 10.

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 13488431 - 2² = 13488427 is a prime.

It is a super-2 number, since 2×13488431² = 363875541683522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13488401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10631 + ... + 11831.

It is an arithmetic number, because the mean of its divisors is an integer number (1842666).

Almost surely, 2^13488431 is an apocalyptic number.

13488431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13488431 is a deficient number, since it is larger than the sum of its proper divisors (1252897).

13488431 is a wasteful number, since it uses less digits than its factorization.

13488431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233.

The product of its digits is 9216, while the sum is 32.

The square root of 13488431 is about 3672.6599352513. The cubic root of 13488431 is about 238.0421211611.

It can be divided in two parts, 1348 and 8431, that added together give a palindrome (9779).

The spelling of 13488431 in words is "thirteen million, four hundred eighty-eight thousand, four hundred thirty-one".