12798045 has 48 divisors (see below), whose sum is σ = 24216192. Its totient is φ = 6215040.

The previous prime is 12798043. The next prime is 12798067. The reversal of 12798045 is 54089721.

It is not a de Polignac number, because 12798045 - 2¹ = 12798043 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12798043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 76552 + ... + 76718.

It is an arithmetic number, because the mean of its divisors is an integer number (504504).

Almost surely, 2^12798045 is an apocalyptic number.

12798045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12798045 is a deficient number, since it is larger than the sum of its proper divisors (11418147).

12798045 is a wasteful number, since it uses less digits than its factorization.

12798045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 12798045 is about 3577.4355340104. The cubic root of 12798045 is about 233.9095091701.

The spelling of 12798045 in words is "twelve million, seven hundred ninety-eight thousand, forty-five".