12053412 has 54 divisors (see below), whose sum is σ = 35447958. Its totient is φ = 3443328.

The previous prime is 12053411. The next prime is 12053423. The reversal of 12053412 is 21435021.

12053412 is a `hidden beast` number, since 120 + 534 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8156736 + 3896676 = 2856^2 + 1974^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12053411) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1653 + ... + 5180.

Almost surely, 2^12053412 is an apocalyptic number.

12053412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12053412 is an abundant number, since it is smaller than the sum of its proper divisors (23394546).

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

12053412 is a wasteful number, since it uses less digits than its factorization.

12053412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6857 (or 6845 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 12053412 is about 3471.8024137327. The cubic root of 12053412 is about 229.2820206618.

Adding to 12053412 its reverse (21435021), we get a palindrome (33488433).

The spelling of 12053412 in words is "twelve million, fifty-three thousand, four hundred twelve".