12385445 has 8 divisors (see below), whose sum is σ = 15016344. Its totient is φ = 9805824.

The previous prime is 12385433. The next prime is 12385447. The reversal of 12385445 is 54458321.

It can be written as a sum of positive squares in 4 ways, for example, as 3818116 + 8567329 = 1954^2 + 2927^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12385445 - 2⁶ = 12385381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12385447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12284 + ... + 13253.

It is an arithmetic number, because the mean of its divisors is an integer number (1877043).

Almost surely, 2^12385445 is an apocalyptic number.

It is an amenable number.

12385445 is a deficient number, since it is larger than the sum of its proper divisors (2630899).

12385445 is an equidigital number, since it uses as much as digits as its factorization.

12385445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25639.

The product of its digits is 19200, while the sum is 32.

The square root of 12385445 is about 3519.2960943916. The cubic root of 12385445 is about 231.3683085883.

The spelling of 12385445 in words is "twelve million, three hundred eighty-five thousand, four hundred forty-five".