13449231 has 6 divisors (see below), whose sum is σ = 19426680. Its totient is φ = 8966148.

The previous prime is 13449221. The next prime is 13449253. The reversal of 13449231 is 13294431.

13449231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13449231 - 2⁵ = 13449199 is a prime.

It is a super-2 number, since 2×13449231² = 361763628982722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13449195 and 13449204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13449211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 747171 + ... + 747188.

It is an arithmetic number, because the mean of its divisors is an integer number (3237780).

Almost surely, 2^13449231 is an apocalyptic number.

13449231 is a deficient number, since it is larger than the sum of its proper divisors (5977449).

13449231 is a wasteful number, since it uses less digits than its factorization.

13449231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494365 (or 1494362 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 13449231 is about 3667.3193207028. The cubic root of 13449231 is about 237.8112985337.

The spelling of 13449231 in words is "thirteen million, four hundred forty-nine thousand, two hundred thirty-one".