13451231 has 8 divisors (see below), whose sum is σ = 13634400. Its totient is φ = 13269600.

The previous prime is 13451219. The next prime is 13451237. The reversal of 13451231 is 13215431.

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 13451231 - 2⁶ = 13451167 is a prime.

It is a super-2 number, since 2×13451231² = 361871230830722, 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 (13451237) 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, 34385 + ... + 34773.

It is an arithmetic number, because the mean of its divisors is an integer number (1704300).

Almost surely, 2^13451231 is an apocalyptic number.

13451231 is a deficient number, since it is larger than the sum of its proper divisors (183169).

13451231 is a wasteful number, since it uses less digits than its factorization.

13451231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769.

The product of its digits is 360, while the sum is 20.

The square root of 13451231 is about 3667.5919893031. The cubic root of 13451231 is about 237.8230860484.

Adding to 13451231 its reverse (13215431), we get a palindrome (26666662).

The spelling of 13451231 in words is "thirteen million, four hundred fifty-one thousand, two hundred thirty-one".