12545045 has 8 divisors (see below), whose sum is σ = 15082296. Its totient is φ = 10017216.

The previous prime is 12545041. The next prime is 12545059. The reversal of 12545045 is 54054521.

It can be written as a sum of positive squares in 4 ways, for example, as 91204 + 12453841 = 302^2 + 3529^2 .

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 12545045 - 2² = 12545041 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 (12545041) 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, 1019 + ... + 5111.

It is an arithmetic number, because the mean of its divisors is an integer number (1885287).

Almost surely, 2^12545045 is an apocalyptic number.

It is an amenable number.

12545045 is a deficient number, since it is larger than the sum of its proper divisors (2537251).

12545045 is an equidigital number, since it uses as much as digits as its factorization.

12545045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4711.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 12545045 is about 3541.8985022160. The cubic root of 12545045 is about 232.3578813117.

Adding to 12545045 its reverse (54054521), we get a palindrome (66599566).

The spelling of 12545045 in words is "twelve million, five hundred forty-five thousand, forty-five".