13349481 has 16 divisors (see below), whose sum is σ = 18320256. Its totient is φ = 8642816.

The previous prime is 13349443. The next prime is 13349503. The reversal of 13349481 is 18494331.

13349481 is nontrivially palindromic in base 5.

It is not a de Polignac number, because 13349481 - 2⁹ = 13348969 is a prime.

It is a super-2 number, since 2×13349481² = 356417285938722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13349411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17596 + ... + 18338.

It is an arithmetic number, because the mean of its divisors is an integer number (1145016).

Almost surely, 2^13349481 is an apocalyptic number.

It is an amenable number.

13349481 is a deficient number, since it is larger than the sum of its proper divisors (4970775).

13349481 is a wasteful number, since it uses less digits than its factorization.

13349481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912.

The product of its digits is 10368, while the sum is 33.

The square root of 13349481 is about 3653.6941579722. The cubic root of 13349481 is about 237.2219075607.

The spelling of 13349481 in words is "thirteen million, three hundred forty-nine thousand, four hundred eighty-one".