1216033 has 24 divisors (see below), whose sum is σ = 1608768. Its totient is φ = 909216.

The previous prime is 1216021. The next prime is 1216043. The reversal of 1216033 is 3306121.

It is not a de Polignac number, because 1216033 - 2⁹ = 1215521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1215998 and 1216016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1216013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14610 + ... + 14692.

It is an arithmetic number, because the mean of its divisors is an integer number (67032).

2^1216033 is an apocalyptic number.

1216033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1216033 is the 637-th octagonal number.

It is an amenable number.

1216033 is a deficient number, since it is larger than the sum of its proper divisors (392735).

1216033 is a wasteful number, since it uses less digits than its factorization.

1216033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1216033 is about 1102.7388630134. The cubic root of 1216033 is about 106.7370314802.

The spelling of 1216033 in words is "one million, two hundred sixteen thousand, thirty-three".