12697146 has 48 divisors (see below), whose sum is σ = 34302528. Its totient is φ = 3297600.

The previous prime is 12697141. The next prime is 12697151. The reversal of 12697146 is 64179621.

It is an interprime number because it is at equal distance from previous prime (12697141) and next prime (12697151).

It is a super-2 number, since 2×12697146² = 322435033090632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12697146.

It is not an unprimeable number, because it can be changed into a prime (12697141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3195 + ... + 5966.

It is an arithmetic number, because the mean of its divisors is an integer number (714636).

Almost surely, 2^12697146 is an apocalyptic number.

12697146 is an abundant number, since it is smaller than the sum of its proper divisors (21605382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12697146 is a wasteful number, since it uses less digits than its factorization.

12697146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9187 (or 9184 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 12697146 is about 3563.3054878862. The cubic root of 12697146 is about 233.2931772166.

The spelling of 12697146 in words is "twelve million, six hundred ninety-seven thousand, one hundred forty-six".