12821096 has 8 divisors (see below), whose sum is σ = 24039570. Its totient is φ = 6410544.

The previous prime is 12821087. The next prime is 12821117. The reversal of 12821096 is 69012821.

It can be written as a sum of positive squares in only one way, i.e., 8352100 + 4468996 = 2890^2 + 2114^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 801311 + ... + 801326.

Almost surely, 2^12821096 is an apocalyptic number.

It is an amenable number.

12821096 is a deficient number, since it is larger than the sum of its proper divisors (11218474).

12821096 is a wasteful number, since it uses less digits than its factorization.

12821096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602643 (or 1602639 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 12821096 is about 3580.6558058546. The cubic root of 12821096 is about 234.0498591007.

The spelling of 12821096 in words is "twelve million, eight hundred twenty-one thousand, ninety-six".