13234649 has 4 divisors (see below), whose sum is σ = 13258164. Its totient is φ = 13211136.

The previous prime is 13234609. The next prime is 13234667. The reversal of 13234649 is 94643231.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9412624 + 3822025 = 3068^2 + 1955^2 .

It is a cyclic number.

It is not a de Polignac number, because 13234649 - 2²⁰ = 12186073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13234609) 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, 10892 + ... + 12045.

It is an arithmetic number, because the mean of its divisors is an integer number (3314541).

Almost surely, 2^13234649 is an apocalyptic number.

It is an amenable number.

13234649 is a deficient number, since it is larger than the sum of its proper divisors (23515).

13234649 is an equidigital number, since it uses as much as digits as its factorization.

13234649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23514.

The product of its digits is 15552, while the sum is 32.

The square root of 13234649 is about 3637.9457115246. The cubic root of 13234649 is about 236.5397549631.

The spelling of 13234649 in words is "thirteen million, two hundred thirty-four thousand, six hundred forty-nine".