12660070 has 16 divisors (see below), whose sum is σ = 24128928. Its totient is φ = 4766080.

The previous prime is 12660013. The next prime is 12660091. The reversal of 12660070 is 7006621.

It is a congruent number.

It is an unprimeable number.

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, 37066 + ... + 37405.

It is an arithmetic number, because the mean of its divisors is an integer number (1508058).

Almost surely, 2^12660070 is an apocalyptic number.

12660070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12660070 is a deficient number, since it is larger than the sum of its proper divisors (11468858).

12660070 is a wasteful number, since it uses less digits than its factorization.

12660070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74495.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 12660070 is about 3558.0992116578. The cubic root of 12660070 is about 233.0658817671.

Adding to 12660070 its reverse (7006621), we get a palindrome (19666691).

The spelling of 12660070 in words is "twelve million, six hundred sixty thousand, seventy".