11213514 has 48 divisors (see below), whose sum is σ = 26411112. Its totient is φ = 3417984.

The previous prime is 11213513. The next prime is 11213519. The reversal of 11213514 is 41531211.

11213514 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8381025 + 2832489 = 2895^2 + 1683^2 .

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

It is not an unprimeable number, because it can be changed into a prime (11213513) 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, 40344 + ... + 40620.

Almost surely, 2^11213514 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11213514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13205556).

11213514 is an abundant number, since it is smaller than the sum of its proper divisors (15197598).

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

11213514 is a wasteful number, since it uses less digits than its factorization.

11213514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471 (or 468 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 11213514 is about 3348.6585373848. The cubic root of 11213514 is about 223.8277401184.

Adding to 11213514 its reverse (41531211), we get a palindrome (52744725).

The spelling of 11213514 in words is "eleven million, two hundred thirteen thousand, five hundred fourteen".