11019712 has 42 divisors (see below), whose sum is σ = 24052784. Its totient is φ = 5005440.

The previous prime is 11019703. The next prime is 11019733. The reversal of 11019712 is 21791011.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7033 + ... + 8455.

Almost surely, 2^11019712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11019712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12026392).

11019712 is an abundant number, since it is smaller than the sum of its proper divisors (13033072).

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

11019712 is a wasteful number, since it uses less digits than its factorization.

11019712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457 (or 1436 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 22.

The square root of 11019712 is about 3319.5951560394. The cubic root of 11019712 is about 222.5307755267.

The spelling of 11019712 in words is "eleven million, nineteen thousand, seven hundred twelve".