11216070 has 80 divisors (see below), whose sum is σ = 30788208. Its totient is φ = 2928960.

The previous prime is 11216063. The next prime is 11216087. The reversal of 11216070 is 7061211.

11216070 = 81² + 82² + ... + 324².

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 49297 + ... + 49523.

Almost surely, 2^11216070 is an apocalyptic number.

11216070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11216070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15394104).

11216070 is an abundant number, since it is smaller than the sum of its proper divisors (19572138).

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

11216070 is a wasteful number, since it uses less digits than its factorization.

11216070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 11216070 is about 3349.0401610014. The cubic root of 11216070 is about 223.8447452023.

Adding to 11216070 its reverse (7061211), we get a palindrome (18277281).

The spelling of 11216070 in words is "eleven million, two hundred sixteen thousand, seventy".