12152736 has 36 divisors (see below), whose sum is σ = 34560162. Its totient is φ = 4050816.

The previous prime is 12152689. The next prime is 12152753. The reversal of 12152736 is 63725121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11861136 + 291600 = 3444^2 + 540^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 20811 + ... + 21386.

Almost surely, 2^12152736 is an apocalyptic number.

12152736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12152736 is an abundant number, since it is smaller than the sum of its proper divisors (22407426).

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

12152736 is a wasteful number, since it uses less digits than its factorization.

12152736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42213 (or 42202 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 12152736 is about 3486.0774518074. The cubic root of 12152736 is about 229.9100845761.

Adding to 12152736 its reverse (63725121), we get a palindrome (75877857).

The spelling of 12152736 in words is "twelve million, one hundred fifty-two thousand, seven hundred thirty-six".