12761648 has 20 divisors (see below), whose sum is σ = 24790080. Its totient is φ = 6364224.

The previous prime is 12761647. The next prime is 12761657. The reversal of 12761648 is 84616721.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12761647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7361 + ... + 8927.

It is an arithmetic number, because the mean of its divisors is an integer number (1239504).

Almost surely, 2^12761648 is an apocalyptic number.

It is an amenable number.

12761648 is a deficient number, since it is larger than the sum of its proper divisors (12028432).

12761648 is a wasteful number, since it uses less digits than its factorization.

12761648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084 (or 2078 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 12761648 is about 3572.3448881652. The cubic root of 12761648 is about 233.6875563136.

The spelling of 12761648 in words is "twelve million, seven hundred sixty-one thousand, six hundred forty-eight".