12705470 has 8 divisors (see below), whose sum is σ = 22869864. Its totient is φ = 5082184.

The previous prime is 12705437. The next prime is 12705481. The reversal of 12705470 is 7450721.

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

It is a super-2 number, since 2×12705470² = 322857935841800, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 635264 + ... + 635283.

It is an arithmetic number, because the mean of its divisors is an integer number (2858733).

Almost surely, 2^12705470 is an apocalyptic number.

12705470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12705470 is a deficient number, since it is larger than the sum of its proper divisors (10164394).

12705470 is a wasteful number, since it uses less digits than its factorization.

12705470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270554.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 12705470 is about 3564.4733131278. The cubic root of 12705470 is about 233.3441468911.

The spelling of 12705470 in words is "twelve million, seven hundred five thousand, four hundred seventy".