12945922 has 16 divisors (see below), whose sum is σ = 21256992. Its totient is φ = 5864320.

The previous prime is 12945917. The next prime is 12945923. The reversal of 12945922 is 22954921.

It is not an unprimeable number, because it can be changed into a prime (12945923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6933 + ... + 8599.

It is an arithmetic number, because the mean of its divisors is an integer number (1328562).

Almost surely, 2^12945922 is an apocalyptic number.

12945922 is a deficient number, since it is larger than the sum of its proper divisors (8311070).

12945922 is a wasteful number, since it uses less digits than its factorization.

12945922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033.

The product of its digits is 12960, while the sum is 34.

The square root of 12945922 is about 3598.0441909460. The cubic root of 12945922 is about 234.8069759475.

The spelling of 12945922 in words is "twelve million, nine hundred forty-five thousand, nine hundred twenty-two".