13484385 has 12 divisors (see below), whose sum is σ = 23373012. Its totient is φ = 7191648.

The previous prime is 13484311. The next prime is 13484389. The reversal of 13484385 is 58348431.

It can be written as a sum of positive squares in 2 ways, for example, as 6640929 + 6843456 = 2577^2 + 2616^2 .

It is not a de Polignac number, because 13484385 - 2⁷ = 13484257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13484389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149782 + ... + 149871.

It is an arithmetic number, because the mean of its divisors is an integer number (1947751).

Almost surely, 2^13484385 is an apocalyptic number.

13484385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13484385 is a deficient number, since it is larger than the sum of its proper divisors (9888627).

13484385 is a wasteful number, since it uses less digits than its factorization.

13484385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299664 (or 299661 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 13484385 is about 3672.1090670077. The cubic root of 13484385 is about 238.0183176825.

The spelling of 13484385 in words is "thirteen million, four hundred eighty-four thousand, three hundred eighty-five".