12620308 has 6 divisors (see below), whose sum is σ = 22085546. Its totient is φ = 6310152.

The previous prime is 12620297. The next prime is 12620323. The reversal of 12620308 is 80302621.

It can be written as a sum of positive squares in only one way, i.e., 11370384 + 1249924 = 3372^2 + 1118^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1577535 + ... + 1577542.

Almost surely, 2^12620308 is an apocalyptic number.

It is an amenable number.

12620308 is a deficient number, since it is larger than the sum of its proper divisors (9465238).

12620308 is a wasteful number, since it uses less digits than its factorization.

12620308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3155081 (or 3155079 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 12620308 is about 3552.5072835956. The cubic root of 12620308 is about 232.8216260225.

Adding to 12620308 its reverse (80302621), we get a palindrome (92922929).

The spelling of 12620308 in words is "twelve million, six hundred twenty thousand, three hundred eight".