13753645 has 4 divisors (see below), whose sum is σ = 16504380. Its totient is φ = 11002912.

The previous prime is 13753643. The next prime is 13753651. The reversal of 13753645 is 54635731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54635731 = 467 ⋅116993.

It can be written as a sum of positive squares in 2 ways, for example, as 5750404 + 8003241 = 2398^2 + 2829^2 .

It is a cyclic number.

It is not a de Polignac number, because 13753645 - 2¹ = 13753643 is a prime.

It is a super-3 number, since 3×13753645³ (a number of 22 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13753645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13753643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1375360 + ... + 1375369.

It is an arithmetic number, because the mean of its divisors is an integer number (4126095).

Almost surely, 2^13753645 is an apocalyptic number.

It is an amenable number.

13753645 is a deficient number, since it is larger than the sum of its proper divisors (2750735).

13753645 is an equidigital number, since it uses as much as digits as its factorization.

13753645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750734.

The product of its digits is 37800, while the sum is 34.

The square root of 13753645 is about 3708.5907026794. The cubic root of 13753645 is about 239.5921603469.

The spelling of 13753645 in words is "thirteen million, seven hundred fifty-three thousand, six hundred forty-five".