12870454 has 16 divisors (see below), whose sum is σ = 19712160. Its totient is φ = 6301120.

The previous prime is 12870449. The next prime is 12870457. The reversal of 12870454 is 45407821.

12870454 = 132² + 133² + ... + 344².

It is a super-2 number, since 2×12870454² = 331297172332232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12870457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32892 + ... + 33280.

It is an arithmetic number, because the mean of its divisors is an integer number (1232010).

Almost surely, 2^12870454 is an apocalyptic number.

12870454 is a deficient number, since it is larger than the sum of its proper divisors (6841706).

12870454 is a wasteful number, since it uses less digits than its factorization.

12870454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 12870454 is about 3587.5414980178. The cubic root of 12870454 is about 234.3498189006.

The spelling of 12870454 in words is "twelve million, eight hundred seventy thousand, four hundred fifty-four".