12905248 has 12 divisors (see below), whose sum is σ = 25407270. Its totient is φ = 6452608.

The previous prime is 12905219. The next prime is 12905251. The reversal of 12905248 is 84250921.

It can be written as a sum of positive squares in only one way, i.e., 6615184 + 6290064 = 2572^2 + 2508^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201613 + ... + 201676.

Almost surely, 2^12905248 is an apocalyptic number.

It is an amenable number.

12905248 is a deficient number, since it is larger than the sum of its proper divisors (12502022).

12905248 is an equidigital number, since it uses as much as digits as its factorization.

12905248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403299 (or 403291 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 12905248 is about 3592.3875069374. The cubic root of 12905248 is about 234.5608094064.

The spelling of 12905248 in words is "twelve million, nine hundred five thousand, two hundred forty-eight".