13516645 has 8 divisors (see below), whose sum is σ = 16289280. Its totient is φ = 10767120.

The previous prime is 13516627. The next prime is 13516661. The reversal of 13516645 is 54661531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13516645 - 2¹¹ = 13514597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4461 + ... + 6850.

It is an arithmetic number, because the mean of its divisors is an integer number (2036160).

Almost surely, 2^13516645 is an apocalyptic number.

It is an amenable number.

13516645 is a deficient number, since it is larger than the sum of its proper divisors (2772635).

13516645 is a wasteful number, since it uses less digits than its factorization.

13516645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11555.

The product of its digits is 10800, while the sum is 31.

The square root of 13516645 is about 3676.4990140078. The cubic root of 13516645 is about 238.2079779386.

It can be divided in two parts, 13516 and 645, that added together give a square (14161 = 119²).

The spelling of 13516645 in words is "thirteen million, five hundred sixteen thousand, six hundred forty-five".