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13312201 = 72119013
BaseRepresentation
bin110010110010…
…000011001001
3221001022220111
4302302003021
511401442301
61153154321
7221103040
oct62620311
927038814
1013312201
117572721
12455b9a1
1329b1356
141aa7557
15127e551
hexcb20c9

13312201 has 8 divisors (see below), whose sum is σ = 15287744. Its totient is φ = 11355120.

The previous prime is 13312199. The next prime is 13312231. The reversal of 13312201 is 10221331.

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

It is not a de Polignac number, because 13312201 - 21 = 13312199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13312231) 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, 3030 + ... + 5983.

It is an arithmetic number, because the mean of its divisors is an integer number (1910968).

Almost surely, 213312201 is an apocalyptic number.

It is an amenable number.

13312201 is a deficient number, since it is larger than the sum of its proper divisors (1975543).

13312201 is an equidigital number, since it uses as much as digits as its factorization.

13312201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9231.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 13312201 is about 3648.5889053167. The cubic root of 13312201 is about 237.0008782985. Note that the first 3 decimals are identical.

Adding to 13312201 its reverse (10221331), we get a palindrome (23533532).

The spelling of 13312201 in words is "thirteen million, three hundred twelve thousand, two hundred one".

Divisors: 1 7 211 1477 9013 63091 1901743 13312201