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12230461 = 313710663
BaseRepresentation
bin101110101001…
…111100111101
3212000101001001
4232221330331
511112333321
61114050301
7205646215
oct56517475
925011031
1012230461
1169a3a21
124119991
1326c2b79
1418a5245
151118c91
hexba9f3d

12230461 has 8 divisors (see below), whose sum is σ = 12967424. Its totient is φ = 11514960.

The previous prime is 12230459. The next prime is 12230467. The reversal of 12230461 is 16403221.

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

It is a cyclic number.

It is not a de Polignac number, because 12230461 - 21 = 12230459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230467) 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, 4185 + ... + 6478.

It is an arithmetic number, because the mean of its divisors is an integer number (1620928).

Almost surely, 212230461 is an apocalyptic number.

It is an amenable number.

12230461 is a deficient number, since it is larger than the sum of its proper divisors (736963).

12230461 is a wasteful number, since it uses less digits than its factorization.

12230461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10731.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 12230461 is about 3497.2076003577. The cubic root of 12230461 is about 230.3991870490.

Adding to 12230461 its reverse (16403221), we get a palindrome (28633682).

The spelling of 12230461 in words is "twelve million, two hundred thirty thousand, four hundred sixty-one".

Divisors: 1 31 37 1147 10663 330553 394531 12230461