12924645 has 16 divisors (see below), whose sum is σ = 20735232. Its totient is φ = 6874560.

The previous prime is 12924629. The next prime is 12924647. The reversal of 12924645 is 54642921.

It is not a de Polignac number, because 12924645 - 2⁴ = 12924629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12924647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6015 + ... + 7875.

It is an arithmetic number, because the mean of its divisors is an integer number (1295952).

Almost surely, 2^12924645 is an apocalyptic number.

12924645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12924645 is a deficient number, since it is larger than the sum of its proper divisors (7810587).

12924645 is a wasteful number, since it uses less digits than its factorization.

12924645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2332.

The product of its digits is 17280, while the sum is 33.

The square root of 12924645 is about 3595.0862298421. The cubic root of 12924645 is about 234.6782680412.

The spelling of 12924645 in words is "twelve million, nine hundred twenty-four thousand, six hundred forty-five".