13433481 has 12 divisors (see below), whose sum is σ = 19722820. Its totient is φ = 8808480.

The previous prime is 13433471. The next prime is 13433489. The reversal of 13433481 is 18433431.

It can be written as a sum of positive squares in 2 ways, for example, as 1071225 + 12362256 = 1035^2 + 3516^2 .

It is not a de Polignac number, because 13433481 - 2⁷ = 13433353 is a prime.

It is a super-2 number, since 2×13433481² = 360916823554722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13433489) 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 11 ways as a sum of consecutive naturals, for example, 11686 + ... + 12783.

Almost surely, 2^13433481 is an apocalyptic number.

It is an amenable number.

13433481 is a deficient number, since it is larger than the sum of its proper divisors (6289339).

13433481 is a wasteful number, since it uses less digits than its factorization.

13433481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24536 (or 24533 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 13433481 is about 3665.1713466085. The cubic root of 13433481 is about 237.7184309937.

The spelling of 13433481 in words is "thirteen million, four hundred thirty-three thousand, four hundred eighty-one".