12552131 has 4 divisors (see below), whose sum is σ = 12724152. Its totient is φ = 12380112.

The previous prime is 12552121. The next prime is 12552143. The reversal of 12552131 is 13125521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13125521 = 293 ⋅44797.

It is a cyclic number.

It is not a de Polignac number, because 12552131 - 2¹⁰ = 12551107 is a prime.

It is a super-2 number, since 2×12552131² = 315111985282322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12552121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85901 + ... + 86046.

It is an arithmetic number, because the mean of its divisors is an integer number (3181038).

Almost surely, 2^12552131 is an apocalyptic number.

12552131 is a deficient number, since it is larger than the sum of its proper divisors (172021).

12552131 is an equidigital number, since it uses as much as digits as its factorization.

12552131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172020.

The product of its digits is 300, while the sum is 20.

The square root of 12552131 is about 3542.8986719916. The cubic root of 12552131 is about 232.4016217696.

Adding to 12552131 its reverse (13125521), we get a palindrome (25677652).

The spelling of 12552131 in words is "twelve million, five hundred fifty-two thousand, one hundred thirty-one".