12870727 has 4 divisors (see below), whose sum is σ = 13025880. Its totient is φ = 12715576.

The previous prime is 12870721. The next prime is 12870749. The reversal of 12870727 is 72707821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72707821 = 911 ⋅79811.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12870727 is a prime.

It is a super-2 number, since 2×12870727² = 331311227017058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12870692 and 12870701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12870721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77452 + ... + 77617.

It is an arithmetic number, because the mean of its divisors is an integer number (3256470).

Almost surely, 2^12870727 is an apocalyptic number.

12870727 is a deficient number, since it is larger than the sum of its proper divisors (155153).

12870727 is an equidigital number, since it uses as much as digits as its factorization.

12870727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155152.

The product of its (nonzero) digits is 10976, while the sum is 34.

The square root of 12870727 is about 3587.5795461564. The cubic root of 12870727 is about 234.3514758493.

The spelling of 12870727 in words is "twelve million, eight hundred seventy thousand, seven hundred twenty-seven".