13636245 has 32 divisors (see below), whose sum is σ = 25355520. Its totient is φ = 6128640.

The previous prime is 13636237. The next prime is 13636247. The reversal of 13636245 is 54263631.

It is not a de Polignac number, because 13636245 - 2³ = 13636237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13636247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5341 + ... + 7469.

It is an arithmetic number, because the mean of its divisors is an integer number (792360).

Almost surely, 2^13636245 is an apocalyptic number.

13636245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13636245 is a deficient number, since it is larger than the sum of its proper divisors (11719275).

13636245 is a wasteful number, since it uses less digits than its factorization.

13636245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205.

The product of its digits is 12960, while the sum is 30.

The square root of 13636245 is about 3692.7286659055. The cubic root of 13636245 is about 238.9084983202.

Adding to 13636245 its reverse (54263631), we get a palindrome (67899876).

The spelling of 13636245 in words is "thirteen million, six hundred thirty-six thousand, two hundred forty-five".