12887401 has 8 divisors (see below), whose sum is σ = 13315104. Its totient is φ = 12465600.

The previous prime is 12887389. The next prime is 12887417. The reversal of 12887401 is 10478821.

12887401 is nontrivially palindromic in base 7.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12887401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12887461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3201 + ... + 6001.

It is an arithmetic number, because the mean of its divisors is an integer number (1664388).

Almost surely, 2^12887401 is an apocalyptic number.

It is an amenable number.

12887401 is a deficient number, since it is larger than the sum of its proper divisors (427703).

12887401 is a wasteful number, since it uses less digits than its factorization.

12887401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2951.

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 12887401 is about 3589.9026449195. The cubic root of 12887401 is about 234.4526327952.

The spelling of 12887401 in words is "twelve million, eight hundred eighty-seven thousand, four hundred one".