12045136 has 10 divisors (see below), whose sum is σ = 23337482. Its totient is φ = 6022560.

The previous prime is 12045133. The next prime is 12045139. The reversal of 12045136 is 63154021.

It is an interprime number because it is at equal distance from previous prime (12045133) and next prime (12045139).

It can be written as a sum of positive squares in only one way, i.e., 10497600 + 1547536 = 3240^2 + 1244^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12045133) 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, 376395 + ... + 376426.

Almost surely, 2^12045136 is an apocalyptic number.

12045136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12045136 is a deficient number, since it is larger than the sum of its proper divisors (11292346).

12045136 is an equidigital number, since it uses as much as digits as its factorization.

12045136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752829 (or 752823 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 12045136 is about 3470.6103209666. The cubic root of 12045136 is about 229.2295328280.

Adding to 12045136 its reverse (63154021), we get a palindrome (75199157).

The spelling of 12045136 in words is "twelve million, forty-five thousand, one hundred thirty-six".