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12242605 = 513118691
BaseRepresentation
bin101110101100…
…111010101101
3212000222200211
4232230322231
511113230410
61114222421
7206026504
oct56547255
925028624
1012242605
116a02061
124124a11
1326c855b
1418a983b
15111c68a
hexbacead

12242605 has 8 divisors (see below), whose sum is σ = 14804064. Its totient is φ = 9718800.

The previous prime is 12242579. The next prime is 12242617. The reversal of 12242605 is 50624221.

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

It is not a de Polignac number, because 12242605 - 29 = 12242093 is a prime.

It is a Duffinian number.

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, 8691 + ... + 10000.

It is an arithmetic number, because the mean of its divisors is an integer number (1850508).

Almost surely, 212242605 is an apocalyptic number.

It is an amenable number.

12242605 is a deficient number, since it is larger than the sum of its proper divisors (2561459).

12242605 is a wasteful number, since it uses less digits than its factorization.

12242605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18827.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 12242605 is about 3498.9434119460. The cubic root of 12242605 is about 230.4754186311.

Adding to 12242605 its reverse (50624221), we get a palindrome (62866826).

The spelling of 12242605 in words is "twelve million, two hundred forty-two thousand, six hundred five".

Divisors: 1 5 131 655 18691 93455 2448521 12242605