1213016 has 16 divisors (see below), whose sum is σ = 2599440. Its totient is φ = 519840.

The previous prime is 1213007. The next prime is 1213019. The reversal of 1213016 is 6103121.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10775 + ... + 10886.

It is an arithmetic number, because the mean of its divisors is an integer number (162465).

2^1213016 is an apocalyptic number.

It is an amenable number.

1213016 is an abundant number, since it is smaller than the sum of its proper divisors (1386424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1213016 is a wasteful number, since it uses less digits than its factorization.

1213016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21674 (or 21670 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1213016 is about 1101.3700558849. The cubic root of 1213016 is about 106.6486862054.

Adding to 1213016 its reverse (6103121), we get a palindrome (7316137).

The spelling of 1213016 in words is "one million, two hundred thirteen thousand, sixteen".