12706470 has 128 divisors (see below), whose sum is σ = 39674880. Its totient is φ = 2869344.

The previous prime is 12706469. The next prime is 12706471. The reversal of 12706470 is 7460721.

12706470 is a `hidden beast` number, since 12 + 7 + 0 + 647 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (12706469) and next prime (12706471).

It is a super-2 number, since 2×12706470² = 322908759721800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12706471) 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 63 ways as a sum of consecutive naturals, for example, 153049 + ... + 153131.

It is an arithmetic number, because the mean of its divisors is an integer number (309960).

Almost surely, 2^12706470 is an apocalyptic number.

12706470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12706470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19837440).

12706470 is an abundant number, since it is smaller than the sum of its proper divisors (26968410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12706470 is an frugal number, since it uses more digits than its factorization.

12706470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 12706470 is about 3564.6135835459. The cubic root of 12706470 is about 233.3502686121.

The spelling of 12706470 in words is "twelve million, seven hundred six thousand, four hundred seventy".