13746545 has 4 divisors (see below), whose sum is σ = 16495860. Its totient is φ = 10997232.

The previous prime is 13746503. The next prime is 13746581. The reversal of 13746545 is 54564731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10086976 + 3659569 = 3176^2 + 1913^2 .

It is a cyclic number.

It is not a de Polignac number, because 13746545 - 2¹⁰ = 13745521 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1374650 + ... + 1374659.

It is an arithmetic number, because the mean of its divisors is an integer number (4123965).

Almost surely, 2^13746545 is an apocalyptic number.

It is an amenable number.

13746545 is a deficient number, since it is larger than the sum of its proper divisors (2749315).

13746545 is an equidigital number, since it uses as much as digits as its factorization.

13746545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2749314.

The product of its digits is 50400, while the sum is 35.

The square root of 13746545 is about 3707.6333421740. The cubic root of 13746545 is about 239.5509252867.

The spelling of 13746545 in words is "thirteen million, seven hundred forty-six thousand, five hundred forty-five".