12648951 has 48 divisors (see below), whose sum is σ = 22014720. Its totient is φ = 6848640.

The previous prime is 12648949. The next prime is 12648973. The reversal of 12648951 is 15984621.

12648951 is a `hidden beast` number, since 1 + 2 + 648 + 9 + 5 + 1 = 666.

It is not a de Polignac number, because 12648951 - 2¹ = 12648949 is a prime.

It is a super-2 number, since 2×12648951² = 319991922800802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12648151) 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 47 ways as a sum of consecutive naturals, for example, 152356 + ... + 152438.

It is an arithmetic number, because the mean of its divisors is an integer number (458640).

Almost surely, 2^12648951 is an apocalyptic number.

12648951 is a deficient number, since it is larger than the sum of its proper divisors (9365769).

12648951 is a wasteful number, since it uses less digits than its factorization.

12648951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 193 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 12648951 is about 3556.5363768701. The cubic root of 12648951 is about 232.9976299439.

The spelling of 12648951 in words is "twelve million, six hundred forty-eight thousand, nine hundred fifty-one".