12892997 has 8 divisors (see below), whose sum is σ = 13975416. Its totient is φ = 11823552.

The previous prime is 12892981. The next prime is 12893009. The reversal of 12892997 is 79929821.

It is a happy number.

12892997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 155236 + 12737761 = 394^2 + 3569^2 .

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

It is not a de Polignac number, because 12892997 - 2⁴ = 12892981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12892927) 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, 1118 + ... + 5199.

It is an arithmetic number, because the mean of its divisors is an integer number (1746927).

Almost surely, 2^12892997 is an apocalyptic number.

It is an amenable number.

12892997 is a deficient number, since it is larger than the sum of its proper divisors (1082419).

12892997 is a wasteful number, since it uses less digits than its factorization.

12892997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6487.

The product of its digits is 163296, while the sum is 47.

The square root of 12892997 is about 3590.6819686516. The cubic root of 12892997 is about 234.4865627572.

The spelling of 12892997 in words is "twelve million, eight hundred ninety-two thousand, nine hundred ninety-seven".