12993045 has 32 divisors (see below), whose sum is σ = 23369472. Its totient is φ = 6116352.

The previous prime is 12993041. The next prime is 12993047. The reversal of 12993045 is 54039921.

It is not a de Polignac number, because 12993045 - 2² = 12993041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12992997 and 12993015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12993041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3037 + ... + 5933.

It is an arithmetic number, because the mean of its divisors is an integer number (730296).

Almost surely, 2^12993045 is an apocalyptic number.

12993045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12993045 is a deficient number, since it is larger than the sum of its proper divisors (10376427).

12993045 is a wasteful number, since it uses less digits than its factorization.

12993045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2941.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 12993045 is about 3604.5866614634. The cubic root of 12993045 is about 235.0915291567.

The spelling of 12993045 in words is "twelve million, nine hundred ninety-three thousand, forty-five".