12552136 has 16 divisors (see below), whose sum is σ = 23579100. Its totient is φ = 6264384.

The previous prime is 12552121. The next prime is 12552143. The reversal of 12552136 is 63125521.

It can be written as a sum of positive squares in 2 ways, for example, as 12292036 + 260100 = 3506^2 + 510^2 .

It is a super-2 number, since 2×12552136² = 315112236324992, 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 12552136.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4566 + ... + 6778.

Almost surely, 2^12552136 is an apocalyptic number.

It is an amenable number.

12552136 is a deficient number, since it is larger than the sum of its proper divisors (11026964).

12552136 is a wasteful number, since it uses less digits than its factorization.

12552136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2928 (or 2924 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 12552136 is about 3542.8993776284. The cubic root of 12552136 is about 232.4016526278.

Adding to 12552136 its reverse (63125521), we get a palindrome (75677657).

The spelling of 12552136 in words is "twelve million, five hundred fifty-two thousand, one hundred thirty-six".