12951670 has 16 divisors (see below), whose sum is σ = 23356368. Its totient is φ = 5171040.

The previous prime is 12951667. The next prime is 12951677. The reversal of 12951670 is 7615921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12951677) 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, 7312 + ... + 8908.

It is an arithmetic number, because the mean of its divisors is an integer number (1459773).

Almost surely, 2^12951670 is an apocalyptic number.

12951670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12951670 is a deficient number, since it is larger than the sum of its proper divisors (10404698).

12951670 is a wasteful number, since it uses less digits than its factorization.

12951670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2415.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 12951670 is about 3598.8428695902. The cubic root of 12951670 is about 234.8417223023.

The spelling of 12951670 in words is "twelve million, nine hundred fifty-one thousand, six hundred seventy".