13745613 has 8 divisors (see below), whose sum is σ = 20945728. Its totient is φ = 7854624.

The previous prime is 13745609. The next prime is 13745629. The reversal of 13745613 is 31654731.

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

It is not a de Polignac number, because 13745613 - 2² = 13745609 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13745213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327256 + ... + 327297.

It is an arithmetic number, because the mean of its divisors is an integer number (2618216).

Almost surely, 2^13745613 is an apocalyptic number.

It is an amenable number.

13745613 is a deficient number, since it is larger than the sum of its proper divisors (7200115).

13745613 is an equidigital number, since it uses as much as digits as its factorization.

13745613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654563.

The product of its digits is 7560, while the sum is 30.

The square root of 13745613 is about 3707.5076533974. The cubic root of 13745613 is about 239.5455114049.

It can be divided in two parts, 13 and 745613, that multiplied together give a palindrome (9692969).

The spelling of 13745613 in words is "thirteen million, seven hundred forty-five thousand, six hundred thirteen".