13449031 has 4 divisors (see below), whose sum is σ = 13500432. Its totient is φ = 13397632.

The previous prime is 13449001. The next prime is 13449047. The reversal of 13449031 is 13094431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13449031 - 2⁵ = 13448999 is a prime.

It is a super-2 number, since 2×13449031² = 361752869677922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13448987 and 13449005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13449001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25306 + ... + 25831.

It is an arithmetic number, because the mean of its divisors is an integer number (3375108).

Almost surely, 2^13449031 is an apocalyptic number.

13449031 is a deficient number, since it is larger than the sum of its proper divisors (51401).

13449031 is an equidigital number, since it uses as much as digits as its factorization.

13449031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51400.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 13449031 is about 3667.2920527277. The cubic root of 13449031 is about 237.8101197180.

The spelling of 13449031 in words is "thirteen million, four hundred forty-nine thousand, thirty-one".