12796521 has 8 divisors (see below), whose sum is σ = 17612544. Its totient is φ = 8255760.

The previous prime is 12796513. The next prime is 12796547. The reversal of 12796521 is 12569721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12796521 - 2³ = 12796513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12796321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68706 + ... + 68891.

It is an arithmetic number, because the mean of its divisors is an integer number (2201568).

Almost surely, 2^12796521 is an apocalyptic number.

It is an amenable number.

12796521 is a deficient number, since it is larger than the sum of its proper divisors (4816023).

12796521 is a wasteful number, since it uses less digits than its factorization.

12796521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137631.

The product of its digits is 7560, while the sum is 33.

The square root of 12796521 is about 3577.2225259271. Note that the first 3 decimals coincide. The cubic root of 12796521 is about 233.9002240998.

The spelling of 12796521 in words is "twelve million, seven hundred ninety-six thousand, five hundred twenty-one".