12913270 has 8 divisors (see below), whose sum is σ = 23243904. Its totient is φ = 5165304.

The previous prime is 12913253. The next prime is 12913283. The reversal of 12913270 is 7231921.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645654 + ... + 645673.

It is an arithmetic number, because the mean of its divisors is an integer number (2905488).

Almost surely, 2^12913270 is an apocalyptic number.

12913270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12913270 is a deficient number, since it is larger than the sum of its proper divisors (10330634).

12913270 is a wasteful number, since it uses less digits than its factorization.

12913270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291334.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 12913270 is about 3593.5038611361. The cubic root of 12913270 is about 234.6094009320.

The spelling of 12913270 in words is "twelve million, nine hundred thirteen thousand, two hundred seventy".