12887151 has 4 divisors (see below), whose sum is σ = 17182872. Its totient is φ = 8591432.

The previous prime is 12887131. The next prime is 12887167. The reversal of 12887151 is 15178821.

12887151 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12887151 - 2⁶ = 12887087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12887101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2147856 + ... + 2147861.

It is an arithmetic number, because the mean of its divisors is an integer number (4295718).

Almost surely, 2^12887151 is an apocalyptic number.

12887151 is a deficient number, since it is larger than the sum of its proper divisors (4295721).

12887151 is an equidigital number, since it uses as much as digits as its factorization.

12887151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4295720.

The product of its digits is 4480, while the sum is 33.

The square root of 12887151 is about 3589.8678248649. The cubic root of 12887151 is about 234.4511167528.

The spelling of 12887151 in words is "twelve million, eight hundred eighty-seven thousand, one hundred fifty-one".