12902797 has 8 divisors (see below), whose sum is σ = 13249656. Its totient is φ = 12559872.

The previous prime is 12902783. The next prime is 12902801. The reversal of 12902797 is 79720921.

It can be written as a sum of positive squares in 4 ways, for example, as 3575881 + 9326916 = 1891^2 + 3054^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12902797 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12902717) 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 7 ways as a sum of consecutive naturals, for example, 6373 + ... + 8149.

It is an arithmetic number, because the mean of its divisors is an integer number (1656207).

Almost surely, 2^12902797 is an apocalyptic number.

It is an amenable number.

12902797 is a deficient number, since it is larger than the sum of its proper divisors (346859).

12902797 is a wasteful number, since it uses less digits than its factorization.

12902797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 12902797 is about 3592.0463527076. The cubic root of 12902797 is about 234.5459589894.

The spelling of 12902797 in words is "twelve million, nine hundred two thousand, seven hundred ninety-seven".