13620585 has 16 divisors (see below), whose sum is σ = 23774400. Its totient is φ = 6603840.

The previous prime is 13620583. The next prime is 13620601. The reversal of 13620585 is 58502631.

It is not a de Polignac number, because 13620585 - 2¹ = 13620583 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13620583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41110 + ... + 41439.

It is an arithmetic number, because the mean of its divisors is an integer number (1485900).

Almost surely, 2^13620585 is an apocalyptic number.

13620585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13620585 is a deficient number, since it is larger than the sum of its proper divisors (10153815).

13620585 is a wasteful number, since it uses less digits than its factorization.

13620585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82568.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 13620585 is about 3690.6076735410. The cubic root of 13620585 is about 238.8170083198.

The spelling of 13620585 in words is "thirteen million, six hundred twenty thousand, five hundred eighty-five".