12724601 has 6 divisors (see below), whose sum is σ = 13149306. Its totient is φ = 12313200.

The previous prime is 12724583. The next prime is 12724627. The reversal of 12724601 is 10642721.

It can be written as a sum of positive squares in only one way, i.e., 12709225 + 15376 = 3565^2 + 124^2 .

It is not a de Polignac number, because 12724601 - 2¹⁴ = 12708217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12724651) 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 5 ways as a sum of consecutive naturals, for example, 5660 + ... + 7581.

It is an arithmetic number, because the mean of its divisors is an integer number (2191551).

Almost surely, 2^12724601 is an apocalyptic number.

It is an amenable number.

12724601 is a deficient number, since it is larger than the sum of its proper divisors (424705).

12724601 is an equidigital number, since it uses as much as digits as its factorization.

12724601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13303 (or 13272 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 12724601 is about 3567.1558698773. The cubic root of 12724601 is about 233.4612058735.

The spelling of 12724601 in words is "twelve million, seven hundred twenty-four thousand, six hundred one".