12510955 has 4 divisors (see below), whose sum is σ = 15013152. Its totient is φ = 10008760.

The previous prime is 12510947. The next prime is 12510961. The reversal of 12510955 is 55901521.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12510955 - 2³ = 12510947 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1251091 + ... + 1251100.

It is an arithmetic number, because the mean of its divisors is an integer number (3753288).

Almost surely, 2^12510955 is an apocalyptic number.

12510955 is a deficient number, since it is larger than the sum of its proper divisors (2502197).

12510955 is an equidigital number, since it uses as much as digits as its factorization.

12510955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2502196.

The product of its (nonzero) digits is 2250, while the sum is 28.

The square root of 12510955 is about 3537.0828375937. The cubic root of 12510955 is about 232.1472200251.

The spelling of 12510955 in words is "twelve million, five hundred ten thousand, nine hundred fifty-five".