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11213012 = 222803253
BaseRepresentation
bin101010110001…
…100011010100
3210002200100202
4222301203110
510332304022
61040200032
7164210666
oct52614324
923080322
1011213012
116369558
123909018
132427a25
1416bc536
15eb7592
hexab18d4

11213012 has 6 divisors (see below), whose sum is σ = 19622778. Its totient is φ = 5606504.

The previous prime is 11212997. The next prime is 11213057. The reversal of 11213012 is 21031211.

It can be written as a sum of positive squares in only one way, i.e., 10995856 + 217156 = 3316^2 + 466^2 .

It is a super-2 number, since 2×112130122 = 251463276224288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11212984 and 11213002.

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 as a sum of consecutive naturals, namely, 1401623 + ... + 1401630.

It is an arithmetic number, because the mean of its divisors is an integer number (3270463).

Almost surely, 211213012 is an apocalyptic number.

It is an amenable number.

11213012 is a deficient number, since it is larger than the sum of its proper divisors (8409766).

11213012 is a wasteful number, since it uses less digits than its factorization.

11213012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2803257 (or 2803255 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 11213012 is about 3348.5835811579. The cubic root of 11213012 is about 223.8244000057.

Adding to 11213012 its reverse (21031211), we get a palindrome (32244223).

The spelling of 11213012 in words is "eleven million, two hundred thirteen thousand, twelve".

Divisors: 1 2 4 2803253 5606506 11213012