12621352 has 16 divisors (see below), whose sum is σ = 23712660. Its totient is φ = 6297984.

The previous prime is 12621337. The next prime is 12621353. The reversal of 12621352 is 25312621.

It can be written as a sum of positive squares in 2 ways, for example, as 11195716 + 1425636 = 3346^2 + 1194^2 .

It is not an unprimeable number, because it can be changed into a prime (12621353) 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, 3658 + ... + 6214.

Almost surely, 2^12621352 is an apocalyptic number.

It is an amenable number.

12621352 is a deficient number, since it is larger than the sum of its proper divisors (11091308).

12621352 is a wasteful number, since it uses less digits than its factorization.

12621352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3180 (or 3176 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 12621352 is about 3552.6542190312. The cubic root of 12621352 is about 232.8280458097.

Adding to 12621352 its reverse (25312621), we get a palindrome (37933973).

The spelling of 12621352 in words is "twelve million, six hundred twenty-one thousand, three hundred fifty-two".