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13270061 = 72238501
BaseRepresentation
bin110010100111…
…110000101101
3220222012002202
4302213300231
511344120221
61152231245
7220536140
oct62476055
926865082
1013270061
117543aa2
12453b525
13299810c
141a96057
151271d0b
hexca7c2d

13270061 has 8 divisors (see below), whose sum is σ = 15235584. Its totient is φ = 11322000.

The previous prime is 13270051. The next prime is 13270063. The reversal of 13270061 is 16007231.

It is a happy number.

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 13270061 - 214 = 13253677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13270063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2690 + ... + 5811.

It is an arithmetic number, because the mean of its divisors is an integer number (1904448).

Almost surely, 213270061 is an apocalyptic number.

It is an amenable number.

13270061 is a deficient number, since it is larger than the sum of its proper divisors (1965523).

13270061 is an equidigital number, since it uses as much as digits as its factorization.

13270061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8731.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 13270061 is about 3642.8094926856. The cubic root of 13270061 is about 236.7505371812.

Adding to 13270061 its reverse (16007231), we get a palindrome (29277292).

The spelling of 13270061 in words is "thirteen million, two hundred seventy thousand, sixty-one".

Divisors: 1 7 223 1561 8501 59507 1895723 13270061