12697506 has 32 divisors (see below), whose sum is σ = 28566720. Its totient is φ = 4180032.

The previous prime is 12697501. The next prime is 12697523. The reversal of 12697506 is 60579621.

It is a super-2 number, since 2×12697506² = 322453317240072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12697501) 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 15 ways as a sum of consecutive naturals, for example, 3066 + ... + 5898.

It is an arithmetic number, because the mean of its divisors is an integer number (892710).

Almost surely, 2^12697506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12697506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14283360).

12697506 is an abundant number, since it is smaller than the sum of its proper divisors (15869214).

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

12697506 is a wasteful number, since it uses less digits than its factorization.

12697506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2927 (or 2921 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 12697506 is about 3563.3560024224. The cubic root of 12697506 is about 233.2953820362.

It can be divided in two parts, 12697 and 506, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 12697506 in words is "twelve million, six hundred ninety-seven thousand, five hundred six".