12903208 has 32 divisors (see below), whose sum is σ = 24897960. Its totient is φ = 6266880.

The previous prime is 12903197. The next prime is 12903211. The reversal of 12903208 is 80230921.

It can be written as a sum of positive squares in 4 ways, for example, as 6441444 + 6461764 = 2538^2 + 2542^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66760 + ... + 66952.

Almost surely, 2^12903208 is an apocalyptic number.

It is an amenable number.

12903208 is a deficient number, since it is larger than the sum of its proper divisors (11994752).

12903208 is a wasteful number, since it uses less digits than its factorization.

12903208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 12903208 is about 3592.1035619815. The cubic root of 12903208 is about 234.5484493374.

The spelling of 12903208 in words is "twelve million, nine hundred three thousand, two hundred eight".