12162945 has 16 divisors (see below), whose sum is σ = 20485440. Its totient is φ = 6145344.

The previous prime is 12162923. The next prime is 12162959. The reversal of 12162945 is 54926121.

12162945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12162945 - 2⁷ = 12162817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21054 + ... + 21623.

It is an arithmetic number, because the mean of its divisors is an integer number (1280340).

Almost surely, 2^12162945 is an apocalyptic number.

12162945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12162945 is a deficient number, since it is larger than the sum of its proper divisors (8322495).

12162945 is a wasteful number, since it uses less digits than its factorization.

12162945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42704.

The product of its digits is 4320, while the sum is 30.

The square root of 12162945 is about 3487.5413976038. The cubic root of 12162945 is about 229.9744458061.

The spelling of 12162945 in words is "twelve million, one hundred sixty-two thousand, nine hundred forty-five".