11214520 has 32 divisors (see below), whose sum is σ = 25426800. Its totient is φ = 4451328.

The previous prime is 11214499. The next prime is 11214559. The reversal of 11214520 is 2541211.

It is a junction number, because it is equal to n+sod(n) for n = 11214494 and 11214503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4552 + ... + 6568.

Almost surely, 2^11214520 is an apocalyptic number.

11214520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11214520 is an abundant number, since it is smaller than the sum of its proper divisors (14212280).

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

11214520 is a wasteful number, since it uses less digits than its factorization.

11214520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2167 (or 2163 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 11214520 is about 3348.8087434191. The cubic root of 11214520 is about 223.8344333510.

Adding to 11214520 its reverse (2541211), we get a palindrome (13755731).

The spelling of 11214520 in words is "eleven million, two hundred fourteen thousand, five hundred twenty".