12870949 has 8 divisors (see below), whose sum is σ = 15841280. Its totient is φ = 10183536.

The previous prime is 12870947. The next prime is 12870959. The reversal of 12870949 is 94907821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12870949 - 2¹ = 12870947 is a prime.

It is a super-2 number, since 2×12870949² = 331322656321202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12870941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70629 + ... + 70810.

It is an arithmetic number, because the mean of its divisors is an integer number (1980160).

Almost surely, 2^12870949 is an apocalyptic number.

It is an amenable number.

12870949 is a deficient number, since it is larger than the sum of its proper divisors (2970331).

12870949 is a wasteful number, since it uses less digits than its factorization.

12870949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141459.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 12870949 is about 3587.6104861035. The cubic root of 12870949 is about 234.3528232409.

The spelling of 12870949 in words is "twelve million, eight hundred seventy thousand, nine hundred forty-nine".