12552831 has 12 divisors (see below), whose sum is σ = 18293808. Its totient is φ = 8293824.

The previous prime is 12552829. The next prime is 12552877. The reversal of 12552831 is 13825521.

It is a happy number.

It is not a de Polignac number, because 12552831 - 2¹ = 12552829 is a prime.

It is a super-2 number, since 2×12552831² = 315147132229122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12552795 and 12552804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12552811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5155 + ... + 7188.

It is an arithmetic number, because the mean of its divisors is an integer number (1524484).

Almost surely, 2^12552831 is an apocalyptic number.

12552831 is a deficient number, since it is larger than the sum of its proper divisors (5740977).

12552831 is a wasteful number, since it uses less digits than its factorization.

12552831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12462 (or 12459 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 12552831 is about 3542.9974597789. The cubic root of 12552831 is about 232.4059418359.

The spelling of 12552831 in words is "twelve million, five hundred fifty-two thousand, eight hundred thirty-one".