11612045 has 4 divisors (see below), whose sum is σ = 13934460. Its totient is φ = 9289632.

The previous prime is 11611981. The next prime is 11612047. The reversal of 11612045 is 54021611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54021611 = 7 ⋅7717373.

It can be written as a sum of positive squares in 2 ways, for example, as 1493284 + 10118761 = 1222^2 + 3181^2 .

It is a cyclic number.

It is not a de Polignac number, because 11612045 - 2⁶ = 11611981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11612047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1161200 + ... + 1161209.

It is an arithmetic number, because the mean of its divisors is an integer number (3483615).

Almost surely, 2^11612045 is an apocalyptic number.

It is an amenable number.

11612045 is a deficient number, since it is larger than the sum of its proper divisors (2322415).

11612045 is an equidigital number, since it uses as much as digits as its factorization.

11612045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2322414.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 11612045 is about 3407.6450812841. The cubic root of 11612045 is about 226.4485635125.

Adding to 11612045 its reverse (54021611), we get a palindrome (65633656).

The spelling of 11612045 in words is "eleven million, six hundred twelve thousand, forty-five".