1216296 has 40 divisors (see below), whose sum is σ = 3408570. Its totient is φ = 405216.

The previous prime is 1216277. The next prime is 1216337. The reversal of 1216296 is 6926121.

It can be written as a sum of positive squares in only one way, i.e., 980100 + 236196 = 990^2 + 486^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 291 + ... + 1586.

2^1216296 is an apocalyptic number.

It is an amenable number.

1216296 is an abundant number, since it is smaller than the sum of its proper divisors (2192274).

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

1216296 is a wasteful number, since it uses less digits than its factorization.

1216296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895 (or 1882 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 1216296 is about 1102.8581051069. The cubic root of 1216296 is about 106.7447258481.

The spelling of 1216296 in words is "one million, two hundred sixteen thousand, two hundred ninety-six".