12620032 has 18 divisors (see below), whose sum is σ = 25191278. Its totient is φ = 6309888.

The previous prime is 12620011. The next prime is 12620039. The reversal of 12620032 is 23002621.

It can be written as a sum of positive squares in only one way, i.e., 7311616 + 5308416 = 2704^2 + 2304^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 12619988 and 12620015.

It is not an unprimeable number, because it can be changed into a prime (12620039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24393 + ... + 24904.

Almost surely, 2^12620032 is an apocalyptic number.

It is an amenable number.

12620032 is a deficient number, since it is larger than the sum of its proper divisors (12571246).

12620032 is an frugal number, since it uses more digits than its factorization.

12620032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49313 (or 49299 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 12620032 is about 3552.4684375797. The cubic root of 12620032 is about 232.8199287782.

Adding to 12620032 its reverse (23002621), we get a palindrome (35622653).

The spelling of 12620032 in words is "twelve million, six hundred twenty thousand, thirty-two".