12837897 has 12 divisors (see below), whose sum is σ = 18620784. Its totient is φ = 8523000.

The previous prime is 12837893. The next prime is 12837917. The reversal of 12837897 is 79873821.

It is not a de Polignac number, because 12837897 - 2² = 12837893 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12837893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 583 + ... + 5100.

It is an arithmetic number, because the mean of its divisors is an integer number (1551732).

Almost surely, 2^12837897 is an apocalyptic number.

It is an amenable number.

12837897 is a deficient number, since it is larger than the sum of its proper divisors (5782887).

12837897 is a wasteful number, since it uses less digits than its factorization.

12837897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5940 (or 5937 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 12837897 is about 3583.0011163827. The cubic root of 12837897 is about 234.1520488899.

It can be divided in two parts, 1283 and 7897, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 12837897 in words is "twelve million, eight hundred thirty-seven thousand, eight hundred ninety-seven".