12251532 has 12 divisors (see below), whose sum is σ = 28586936. Its totient is φ = 4083840.

The previous prime is 12251501. The next prime is 12251549. The reversal of 12251532 is 23515221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 12251499 and 12251508.

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 3 ways as a sum of consecutive naturals, for example, 510469 + ... + 510492.

Almost surely, 2^12251532 is an apocalyptic number.

12251532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12251532 is an abundant number, since it is smaller than the sum of its proper divisors (16335404).

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

12251532 is a wasteful number, since it uses less digits than its factorization.

12251532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020968 (or 1020966 counting only the distinct ones).

The product of its digits is 600, while the sum is 21.

The square root of 12251532 is about 3500.2188503006. The cubic root of 12251532 is about 230.5314239825.

Adding to 12251532 its reverse (23515221), we get a palindrome (35766753).

The spelling of 12251532 in words is "twelve million, two hundred fifty-one thousand, five hundred thirty-two".