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2012213 = 72631093
BaseRepresentation
bin111101011010000110101
310210020020102
413223100311
51003342323
6111043445
723050340
oct7532065
93706212
102012213
111154895
12810585
13555b78
143a5457
1529b328
hex1eb435

2012213 has 8 divisors (see below), whose sum is σ = 2310528. Its totient is φ = 1716624.

The previous prime is 2012203. The next prime is 2012221. The reversal of 2012213 is 3122102.

Adding to 2012213 its reverse (3122102), we get a palindrome (5134315).

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2012213 - 28 = 2011957 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012194 and 2012203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1295 + ... + 2387.

It is an arithmetic number, because the mean of its divisors is an integer number (288816).

22012213 is an apocalyptic number.

It is an amenable number.

2012213 is a deficient number, since it is larger than the sum of its proper divisors (298315).

2012213 is a wasteful number, since it uses less digits than its factorization.

2012213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2012213 is about 1418.5249380959. The cubic root of 2012213 is about 126.2480416649.

The spelling of 2012213 in words is "two million, twelve thousand, two hundred thirteen".

Divisors: 1 7 263 1093 1841 7651 287459 2012213