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12093237 = 3213412521
BaseRepresentation
bin101110001000…
…011100110101
3211202101210200
4232020130311
511043440422
61111111113
7204535152
oct56103465
924671720
1012093237
11690a912
124072499
132675580
14186b229
1510dd2ac
hexb88735

12093237 has 24 divisors (see below), whose sum is σ = 19278168. Its totient is φ = 7257600.

The previous prime is 12093229. The next prime is 12093259. The reversal of 12093237 is 73239021.

12093237 is digitally balanced in base 2, base 3 and base 4, because in such bases 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 2414916 + 9678321 = 1554^2 + 3111^2 .

It is not a de Polignac number, because 12093237 - 23 = 12093229 is a prime.

It is a super-2 number, since 2×120932372 = 292492762276338, which contains 22 as substring.

It is a plaindrome in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 12093237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12093227) 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, 3537 + ... + 6057.

It is an arithmetic number, because the mean of its divisors is an integer number (803257).

Almost surely, 212093237 is an apocalyptic number.

It is an amenable number.

12093237 is a deficient number, since it is larger than the sum of its proper divisors (7184931).

12093237 is a wasteful number, since it uses less digits than its factorization.

12093237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581 (or 2578 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 12093237 is about 3477.5331774118. The cubic root of 12093237 is about 229.5342623317.

The spelling of 12093237 in words is "twelve million, ninety-three thousand, two hundred thirty-seven".

Divisors: 1 3 9 13 39 41 117 123 369 533 1599 2521 4797 7563 22689 32773 98319 103361 294957 310083 930249 1343693 4031079 12093237