12621032 has 16 divisors (see below), whose sum is σ = 24480900. Its totient is φ = 6092800.

The previous prime is 12621017. The next prime is 12621041. The reversal of 12621032 is 23012621.

It can be written as a sum of positive squares in 2 ways, for example, as 12432676 + 188356 = 3526^2 + 434^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12621032.

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, 26969 + ... + 27432.

Almost surely, 2^12621032 is an apocalyptic number.

It is an amenable number.

12621032 is a deficient number, since it is larger than the sum of its proper divisors (11859868).

12621032 is a wasteful number, since it uses less digits than its factorization.

12621032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54436 (or 54432 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 12621032 is about 3552.6091819957. The cubic root of 12621032 is about 232.8260780964.

Adding to 12621032 its reverse (23012621), we get a palindrome (35633653).

The spelling of 12621032 in words is "twelve million, six hundred twenty-one thousand, thirty-two".