12513045 has 16 divisors (see below), whose sum is σ = 20448000. Its totient is φ = 6531264.

The previous prime is 12513029. The next prime is 12513049. The reversal of 12513045 is 54031521.

12513045 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12513045 - 2⁴ = 12513029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12513049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8170 + ... + 9579.

It is an arithmetic number, because the mean of its divisors is an integer number (1278000).

Almost surely, 2^12513045 is an apocalyptic number.

12513045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12513045 is a deficient number, since it is larger than the sum of its proper divisors (7934955).

12513045 is a wasteful number, since it uses less digits than its factorization.

12513045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17804.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 12513045 is about 3537.3782664567. The cubic root of 12513045 is about 232.1601463145.

Adding to 12513045 its reverse (54031521), we get a palindrome (66544566).

The spelling of 12513045 in words is "twelve million, five hundred thirteen thousand, forty-five".