12908553 has 8 divisors (see below), whose sum is σ = 19670208. Its totient is φ = 7376304.

The previous prime is 12908549. The next prime is 12908561. The reversal of 12908553 is 35580921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12908553 - 2² = 12908549 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12908453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307326 + ... + 307367.

It is an arithmetic number, because the mean of its divisors is an integer number (2458776).

Almost surely, 2^12908553 is an apocalyptic number.

It is an amenable number.

12908553 is a deficient number, since it is larger than the sum of its proper divisors (6761655).

12908553 is an equidigital number, since it uses as much as digits as its factorization.

12908553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614703.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 12908553 is about 3592.8474779762. The cubic root of 12908553 is about 234.5808311657.

The spelling of 12908553 in words is "twelve million, nine hundred eight thousand, five hundred fifty-three".