13985433 has 72 divisors (see below), whose sum is σ = 27168480. Its totient is φ = 7030800.

The previous prime is 13985431. The next prime is 13985437. The reversal of 13985433 is 33458931.

It is not a de Polignac number, because 13985433 - 2¹ = 13985431 is a prime.

Its product of digits (38880) is a multiple of the sum of its prime factors (96).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13985431) 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 71 ways as a sum of consecutive naturals, for example, 451128 + ... + 451158.

It is an arithmetic number, because the mean of its divisors is an integer number (377340).

Almost surely, 2^13985433 is an apocalyptic number.

It is an amenable number.

13985433 is a deficient number, since it is larger than the sum of its proper divisors (13183047).

13985433 is a wasteful number, since it uses less digits than its factorization.

13985433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 52 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 13985433 is about 3739.7102828963. The cubic root of 13985433 is about 240.9306056408.

The spelling of 13985433 in words is "thirteen million, nine hundred eighty-five thousand, four hundred thirty-three".