12146572 has 6 divisors (see below), whose sum is σ = 21256508. Its totient is φ = 6073284.

The previous prime is 12146569. The next prime is 12146573. The reversal of 12146572 is 27564121.

It is a super-2 number, since 2×12146572² = 295078422702368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12146572.

It is not an unprimeable number, because it can be changed into a prime (12146573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1518318 + ... + 1518325.

Almost surely, 2^12146572 is an apocalyptic number.

It is an amenable number.

12146572 is a deficient number, since it is larger than the sum of its proper divisors (9109936).

12146572 is a wasteful number, since it uses less digits than its factorization.

12146572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3036647 (or 3036645 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 12146572 is about 3485.1932514568. The cubic root of 12146572 is about 229.8712070364.

The spelling of 12146572 in words is "twelve million, one hundred forty-six thousand, five hundred seventy-two".