12555955 has 8 divisors (see below), whose sum is σ = 15152400. Its totient is φ = 9987936.

The previous prime is 12555947. The next prime is 12555989. The reversal of 12555955 is 55955521.

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

It is a cyclic number.

It is not a de Polignac number, because 12555955 - 2³ = 12555947 is a prime.

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, 6120 + ... + 7909.

It is an arithmetic number, because the mean of its divisors is an integer number (1894050).

Almost surely, 2^12555955 is an apocalyptic number.

12555955 is a deficient number, since it is larger than the sum of its proper divisors (2596445).

12555955 is a wasteful number, since it uses less digits than its factorization.

12555955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14213.

The product of its digits is 56250, while the sum is 37.

The square root of 12555955 is about 3543.4383019886. The cubic root of 12555955 is about 232.4252197167.

The spelling of 12555955 in words is "twelve million, five hundred fifty-five thousand, nine hundred fifty-five".