12146907 has 4 divisors (see below), whose sum is σ = 16195880. Its totient is φ = 8097936.

The previous prime is 12146903. The next prime is 12146917. The reversal of 12146907 is 70964121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12146907 - 2² = 12146903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12146903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2024482 + ... + 2024487.

It is an arithmetic number, because the mean of its divisors is an integer number (4048970).

Almost surely, 2^12146907 is an apocalyptic number.

12146907 is a deficient number, since it is larger than the sum of its proper divisors (4048973).

12146907 is an equidigital number, since it uses as much as digits as its factorization.

12146907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4048972.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 12146907 is about 3485.2413115881. The cubic root of 12146907 is about 229.8733202841.

The spelling of 12146907 in words is "twelve million, one hundred forty-six thousand, nine hundred seven".