12870049 has 4 divisors (see below), whose sum is σ = 13547440. Its totient is φ = 12192660.

The previous prime is 12870047. The next prime is 12870079. The reversal of 12870049 is 94007821.

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.

It is a cyclic number.

It is not a de Polignac number, because 12870049 - 2¹ = 12870047 is a prime.

It is a super-2 number, since 2×12870049² = 331276322524802, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12870049.

It is not an unprimeable number, because it can be changed into a prime (12870047) 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, 338667 + ... + 338704.

It is an arithmetic number, because the mean of its divisors is an integer number (3386860).

Almost surely, 2^12870049 is an apocalyptic number.

12870049 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12870049 is a deficient number, since it is larger than the sum of its proper divisors (677391).

12870049 is an equidigital number, since it uses as much as digits as its factorization.

12870049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677390.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 12870049 is about 3587.4850522337. The cubic root of 12870049 is about 234.3473607466.

The spelling of 12870049 in words is "twelve million, eight hundred seventy thousand, forty-nine".