1206887 has 4 divisors (see below), whose sum is σ = 1316616. Its totient is φ = 1097160.

The previous prime is 1206869. The next prime is 1206941. The reversal of 1206887 is 7886021.

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 1206887 - 2¹² = 1202791 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206827) 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 3 ways as a sum of consecutive naturals, for example, 54848 + ... + 54869.

It is an arithmetic number, because the mean of its divisors is an integer number (329154).

2^1206887 is an apocalyptic number.

1206887 is a deficient number, since it is larger than the sum of its proper divisors (109729).

1206887 is a wasteful number, since it uses less digits than its factorization.

1206887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109728.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 1206887 is about 1098.5840887251. The cubic root of 1206887 is about 106.4687617317.

It can be divided in two parts, 120 and 6887, that added together give a palindrome (7007).

The spelling of 1206887 in words is "one million, two hundred six thousand, eight hundred eighty-seven".