12145773 has 8 divisors (see below), whose sum is σ = 16211200. Its totient is φ = 8088768.

The previous prime is 12145759. The next prime is 12145781. The reversal of 12145773 is 37754121.

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

It is not a de Polignac number, because 12145773 - 2⁹ = 12145261 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12145773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12145703) 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 7 ways as a sum of consecutive naturals, for example, 3108 + ... + 5826.

It is an arithmetic number, because the mean of its divisors is an integer number (2026400).

Almost surely, 2^12145773 is an apocalyptic number.

It is an amenable number.

12145773 is a deficient number, since it is larger than the sum of its proper divisors (4065427).

12145773 is a wasteful number, since it uses less digits than its factorization.

12145773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4211.

The product of its digits is 5880, while the sum is 30.

The square root of 12145773 is about 3485.0786217817. The cubic root of 12145773 is about 229.8661666260.

Adding to 12145773 its reverse (37754121), we get a palindrome (49899894).

The spelling of 12145773 in words is "twelve million, one hundred forty-five thousand, seven hundred seventy-three".