12870953 has 4 divisors (see below), whose sum is σ = 12901248. Its totient is φ = 12840660.

The previous prime is 12870947. The next prime is 12870959. The reversal of 12870953 is 35907821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35907821 = 2089 ⋅17189.

It is an interprime number because it is at equal distance from previous prime (12870947) and next prime (12870959).

It is a cyclic number.

It is not a de Polignac number, because 12870953 - 2¹⁶ = 12805417 is a prime.

It is a super-2 number, since 2×12870953² = 331322862256418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12870959) 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, 14501 + ... + 15362.

It is an arithmetic number, because the mean of its divisors is an integer number (3225312).

Almost surely, 2^12870953 is an apocalyptic number.

It is an amenable number.

12870953 is a deficient number, since it is larger than the sum of its proper divisors (30295).

12870953 is an equidigital number, since it uses as much as digits as its factorization.

12870953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30294.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 12870953 is about 3587.6110435776. The cubic root of 12870953 is about 234.3528475181.

The spelling of 12870953 in words is "twelve million, eight hundred seventy thousand, nine hundred fifty-three".