12255970 has 32 divisors (see below), whose sum is σ = 22718592. Its totient is φ = 4758912.

The previous prime is 12255953. The next prime is 12255979. The reversal of 12255970 is 7955221.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (12255979) 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 15 ways as a sum of consecutive naturals, for example, 75109 + ... + 75271.

It is an arithmetic number, because the mean of its divisors is an integer number (709956).

Almost surely, 2^12255970 is an apocalyptic number.

12255970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12255970 is a deficient number, since it is larger than the sum of its proper divisors (10462622).

12255970 is a wasteful number, since it uses less digits than its factorization.

12255970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 12255970 is about 3500.8527532588. The cubic root of 12255970 is about 230.5592565547.

It can be divided in two parts, 12255 and 970, that added together give a square (13225 = 115²).

The spelling of 12255970 in words is "twelve million, two hundred fifty-five thousand, nine hundred seventy".