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13272097 = 67198091
BaseRepresentation
bin110010101000…
…010000100001
3220222021220011
4302220100201
511344201342
61152244521
7220545106
oct62502041
926867804
1013272097
117545583
124540741
132999017
141a96aad
151272717
hexca8421

13272097 has 4 divisors (see below), whose sum is σ = 13470256. Its totient is φ = 13073940.

The previous prime is 13272067. The next prime is 13272113. The reversal of 13272097 is 79027231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13272097 - 27 = 13271969 is a prime.

It is a super-2 number, since 2×132720972 = 352297117554818, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13272067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98979 + ... + 99112.

It is an arithmetic number, because the mean of its divisors is an integer number (3367564).

Almost surely, 213272097 is an apocalyptic number.

It is an amenable number.

13272097 is a deficient number, since it is larger than the sum of its proper divisors (198159).

13272097 is an equidigital number, since it uses as much as digits as its factorization.

13272097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198158.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 13272097 is about 3643.0889366031. The cubic root of 13272097 is about 236.7626446222.

The spelling of 13272097 in words is "thirteen million, two hundred seventy-two thousand, ninety-seven".

Divisors: 1 67 198091 13272097