11802545 has 4 divisors (see below), whose sum is σ = 14163060. Its totient is φ = 9442032.

The previous prime is 11802533. The next prime is 11802551. The reversal of 11802545 is 54520811.

11802545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54520811 = 2089 ⋅26099.

It can be written as a sum of positive squares in 2 ways, for example, as 5607424 + 6195121 = 2368^2 + 2489^2 .

It is a cyclic number.

It is not a de Polignac number, because 11802545 - 2⁶ = 11802481 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1180250 + ... + 1180259.

It is an arithmetic number, because the mean of its divisors is an integer number (3540765).

Almost surely, 2^11802545 is an apocalyptic number.

It is an amenable number.

11802545 is a deficient number, since it is larger than the sum of its proper divisors (2360515).

11802545 is an equidigital number, since it uses as much as digits as its factorization.

11802545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2360514.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 11802545 is about 3435.4832265636. The cubic root of 11802545 is about 227.6801776756.

The spelling of 11802545 in words is "eleven million, eight hundred two thousand, five hundred forty-five".