12696570 has 24 divisors (see below), whose sum is σ = 33011316. Its totient is φ = 3385728.

The previous prime is 12696557. The next prime is 12696589. The reversal of 12696570 is 7569621.

It can be written as a sum of positive squares in 2 ways, for example, as 12257001 + 439569 = 3501^2 + 663^2 .

It is a super-2 number, since 2×12696570² = 322405779529800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70447 + ... + 70626.

Almost surely, 2^12696570 is an apocalyptic number.

12696570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12696570 is an abundant number, since it is smaller than the sum of its proper divisors (20314746).

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

12696570 is a wasteful number, since it uses less digits than its factorization.

12696570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141086 (or 141083 counting only the distinct ones).

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

The square root of 12696570 is about 3563.2246631387. The cubic root of 12696570 is about 233.2896494185.

The spelling of 12696570 in words is "twelve million, six hundred ninety-six thousand, five hundred seventy".