12457070 has 8 divisors (see below), whose sum is σ = 22422744. Its totient is φ = 4982824.

The previous prime is 12457061. The next prime is 12457091. The reversal of 12457070 is 7075421.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 622844 + ... + 622863.

It is an arithmetic number, because the mean of its divisors is an integer number (2802843).

Almost surely, 2^12457070 is an apocalyptic number.

12457070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12457070 is a deficient number, since it is larger than the sum of its proper divisors (9965674).

12457070 is a wasteful number, since it uses less digits than its factorization.

12457070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245714.

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

The square root of 12457070 is about 3529.4574653904. The cubic root of 12457070 is about 231.8134523985.

The spelling of 12457070 in words is "twelve million, four hundred fifty-seven thousand, seventy".