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12396215 = 513190711
BaseRepresentation
bin101111010010…
…011010110111
3212022210102002
4233102122313
511133134330
61121405515
7210236366
oct57223267
925283362
1012396215
116aa7507
12419989b
132750450
1419097dd
15114ce45
hexbd26b7

12396215 has 8 divisors (see below), whose sum is σ = 16019808. Its totient is φ = 9154080.

The previous prime is 12396211. The next prime is 12396217. The reversal of 12396215 is 51269321.

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

It is not a de Polignac number, because 12396215 - 22 = 12396211 is a prime.

It is a super-2 number, since 2×123962152 = 307332292652450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12396211) 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, 95291 + ... + 95420.

It is an arithmetic number, because the mean of its divisors is an integer number (2002476).

Almost surely, 212396215 is an apocalyptic number.

12396215 is a deficient number, since it is larger than the sum of its proper divisors (3623593).

12396215 is a wasteful number, since it uses less digits than its factorization.

12396215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190729.

The product of its digits is 3240, while the sum is 29.

The square root of 12396215 is about 3520.8258974280. The cubic root of 12396215 is about 231.4353527346.

The spelling of 12396215 in words is "twelve million, three hundred ninety-six thousand, two hundred fifteen".

Divisors: 1 5 13 65 190711 953555 2479243 12396215