13447233 has 6 divisors (see below), whose sum is σ = 19423794. Its totient is φ = 8964816.

The previous prime is 13447223. The next prime is 13447237. The reversal of 13447233 is 33274431.

It can be written as a sum of positive squares in only one way, i.e., 13046544 + 400689 = 3612^2 + 633^2 .

It is not a de Polignac number, because 13447233 - 2⁵ = 13447201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13447197 and 13447206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13447237) 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, 747060 + ... + 747077.

It is an arithmetic number, because the mean of its divisors is an integer number (3237299).

Almost surely, 2^13447233 is an apocalyptic number.

It is an amenable number.

13447233 is a deficient number, since it is larger than the sum of its proper divisors (5976561).

13447233 is a wasteful number, since it uses less digits than its factorization.

13447233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494143 (or 1494140 counting only the distinct ones).

The product of its digits is 6048, while the sum is 27.

The square root of 13447233 is about 3667.0469045269. The cubic root of 13447233 is about 237.7995216397.

The spelling of 13447233 in words is "thirteen million, four hundred forty-seven thousand, two hundred thirty-three".