12554871 has 16 divisors (see below), whose sum is σ = 19180800. Its totient is φ = 7155648.

The previous prime is 12554869. The next prime is 12554873. The reversal of 12554871 is 17845521.

It is an interprime number because it is at equal distance from previous prime (12554869) and next prime (12554873).

It is not a de Polignac number, because 12554871 - 2¹ = 12554869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12554873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15115 + ... + 15923.

It is an arithmetic number, because the mean of its divisors is an integer number (1198800).

Almost surely, 2^12554871 is an apocalyptic number.

12554871 is a deficient number, since it is larger than the sum of its proper divisors (6625929).

12554871 is an equidigital number, since it uses as much as digits as its factorization.

12554871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558.

The product of its digits is 11200, while the sum is 33.

The square root of 12554871 is about 3543.2853399070. The cubic root of 12554871 is about 232.4185308272.

The spelling of 12554871 in words is "twelve million, five hundred fifty-four thousand, eight hundred seventy-one".