1216677 has 32 divisors (see below), whose sum is σ = 2119680. Its totient is φ = 601920.

The previous prime is 1216619. The next prime is 1216681. The reversal of 1216677 is 7766121.

It is a happy number.

It is not a de Polignac number, because 1216677 - 2⁸ = 1216421 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

1216677 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1216177) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5199 + ... + 5427.

It is an arithmetic number, because the mean of its divisors is an integer number (66240).

2^1216677 is an apocalyptic number.

It is an amenable number.

1216677 is a deficient number, since it is larger than the sum of its proper divisors (903003).

1216677 is a wasteful number, since it uses less digits than its factorization.

1216677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273.

The product of its digits is 3528, while the sum is 30.

The square root of 1216677 is about 1103.0308245920. The cubic root of 1216677 is about 106.7558704748.

The spelling of 1216677 in words is "one million, two hundred sixteen thousand, six hundred seventy-seven".