12752817 has 16 divisors (see below), whose sum is σ = 21199872. Its totient is φ = 6624720.

The previous prime is 12752813. The next prime is 12752849. The reversal of 12752817 is 71825721.

12752817 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12752817 - 2² = 12752813 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (12752813) 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, 27373 + ... + 27834.

It is an arithmetic number, because the mean of its divisors is an integer number (1324992).

Almost surely, 2^12752817 is an apocalyptic number.

It is an amenable number.

12752817 is a deficient number, since it is larger than the sum of its proper divisors (8447055).

12752817 is a wasteful number, since it uses less digits than its factorization.

12752817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55228.

The product of its digits is 7840, while the sum is 33.

The square root of 12752817 is about 3571.1086513854. The cubic root of 12752817 is about 233.6336403142.

The spelling of 12752817 in words is "twelve million, seven hundred fifty-two thousand, eight hundred seventeen".