13750545 has 8 divisors (see below), whose sum is σ = 22000896. Its totient is φ = 7333616.

The previous prime is 13750543. The next prime is 13750567. The reversal of 13750545 is 54505731.

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

It is a cyclic number.

It is not a de Polignac number, because 13750545 - 2¹ = 13750543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13750543) 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, 458337 + ... + 458366.

It is an arithmetic number, because the mean of its divisors is an integer number (2750112).

Almost surely, 2^13750545 is an apocalyptic number.

13750545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13750545 is a deficient number, since it is larger than the sum of its proper divisors (8250351).

13750545 is an equidigital number, since it uses as much as digits as its factorization.

13750545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916711.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 13750545 is about 3708.1727306047. The cubic root of 13750545 is about 239.5741580523.

It can be divided in two parts, 137505 and 45, that added together give a triangular number (137550 = T₅₂₄).

The spelling of 13750545 in words is "thirteen million, seven hundred fifty thousand, five hundred forty-five".