12651048 has 24 divisors (see below), whose sum is σ = 34263450. Its totient is φ = 4216992.

The previous prime is 12651019. The next prime is 12651049. The reversal of 12651048 is 84015621.

12651048 is a `hidden beast` number, since 1 + 2 + 651 + 0 + 4 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11573604 + 1077444 = 3402^2 + 1038^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×12651048³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12651049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 87783 + ... + 87926.

Almost surely, 2^12651048 is an apocalyptic number.

12651048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12651048 is an abundant number, since it is smaller than the sum of its proper divisors (21612402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12651048 is a wasteful number, since it uses less digits than its factorization.

12651048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175721 (or 175714 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 12651048 is about 3556.8311739525. The cubic root of 12651048 is about 233.0105050309.

Adding to 12651048 its reverse (84015621), we get a palindrome (96666669).

The spelling of 12651048 in words is "twelve million, six hundred fifty-one thousand, forty-eight".