12146436 has 30 divisors (see below), whose sum is σ = 31754030. Its totient is φ = 4048704.

The previous prime is 12146417. The next prime is 12146441. The reversal of 12146436 is 63464121.

12146436 is a `hidden beast` number, since 1 + 2 + 14 + 643 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11943936 + 202500 = 3456^2 + 450^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 18421 + ... + 19068.

Almost surely, 2^12146436 is an apocalyptic number.

It is an amenable number.

12146436 is an abundant number, since it is smaller than the sum of its proper divisors (19607594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12146436 is a wasteful number, since it uses less digits than its factorization.

12146436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37505 (or 37494 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 12146436 is about 3485.1737402890. The cubic root of 12146436 is about 229.8703491098.

The spelling of 12146436 in words is "twelve million, one hundred forty-six thousand, four hundred thirty-six".