11672045 has 48 divisors (see below), whose sum is σ = 18320256. Its totient is φ = 7056000.

The previous prime is 11672009. The next prime is 11672051. The reversal of 11672045 is 54027611.

It is not a de Polignac number, because 11672045 - 2⁶ = 11671981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 164360 + ... + 164430.

It is an arithmetic number, because the mean of its divisors is an integer number (381672).

Almost surely, 2^11672045 is an apocalyptic number.

It is an amenable number.

11672045 is a deficient number, since it is larger than the sum of its proper divisors (6648211).

11672045 is a wasteful number, since it uses less digits than its factorization.

11672045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 11672045 is about 3416.4374719875. The cubic root of 11672045 is about 226.8379172494.

Adding to 11672045 its reverse (54027611), we get a palindrome (65699656).

The spelling of 11672045 in words is "eleven million, six hundred seventy-two thousand, forty-five".