12992270 has 8 divisors (see below), whose sum is σ = 23386104. Its totient is φ = 5196904.

The previous prime is 12992269. The next prime is 12992281. The reversal of 12992270 is 7229921.

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, 649604 + ... + 649623.

It is an arithmetic number, because the mean of its divisors is an integer number (2923263).

Almost surely, 2^12992270 is an apocalyptic number.

12992270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12992270 is a deficient number, since it is larger than the sum of its proper divisors (10393834).

12992270 is a wasteful number, since it uses less digits than its factorization.

12992270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299234.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 12992270 is about 3604.4791579367. The cubic root of 12992270 is about 235.0868548724.

The spelling of 12992270 in words is "twelve million, nine hundred ninety-two thousand, two hundred seventy".