11305012 has 24 divisors (see below), whose sum is σ = 20973960. Its totient is φ = 5322240.

The previous prime is 11305003. The next prime is 11305037. The reversal of 11305012 is 21050311.

It can be written as a sum of positive squares in 4 ways, for example, as 55696 + 11249316 = 236^2 + 3354^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11304983 and 11305001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3568 + ... + 5944.

It is an arithmetic number, because the mean of its divisors is an integer number (873915).

Almost surely, 2^11305012 is an apocalyptic number.

It is an amenable number.

11305012 is a deficient number, since it is larger than the sum of its proper divisors (9668948).

11305012 is a wasteful number, since it uses less digits than its factorization.

11305012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451 (or 2449 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 11305012 is about 3362.2926701880. The cubic root of 11305012 is about 224.4348747858.

Adding to 11305012 its reverse (21050311), we get a palindrome (32355323).

The spelling of 11305012 in words is "eleven million, three hundred five thousand, twelve".