12146913 has 12 divisors (see below), whose sum is σ = 17581200. Its totient is φ = 8081496.

The previous prime is 12146903. The next prime is 12146917. The reversal of 12146913 is 31964121.

12146913 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12146913 - 2⁵ = 12146881 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12146917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4738 + ... + 6836.

It is an arithmetic number, because the mean of its divisors is an integer number (1465100).

Almost surely, 2^12146913 is an apocalyptic number.

It is an amenable number.

12146913 is a deficient number, since it is larger than the sum of its proper divisors (5434287).

12146913 is a wasteful number, since it uses less digits than its factorization.

12146913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2748 (or 2745 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 12146913 is about 3485.2421723605. The cubic root of 12146913 is about 229.8733581329.

The spelling of 12146913 in words is "twelve million, one hundred forty-six thousand, nine hundred thirteen".