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13266461 = 133727581
BaseRepresentation
bin110010100110…
…111000011101
3220222000011102
4302212320131
511344011321
61152202445
7220522505
oct62467035
926860142
1013266461
11754131a
124539425
1329965a0
141a94a05
151270c0b
hexca6e1d

13266461 has 8 divisors (see below), whose sum is σ = 14673624. Its totient is φ = 11914560.

The previous prime is 13266439. The next prime is 13266467. The reversal of 13266461 is 16466231.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6661561 + 6604900 = 2581^2 + 2570^2 .

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 13266461 - 26 = 13266397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13266467) 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, 13310 + ... + 14271.

It is an arithmetic number, because the mean of its divisors is an integer number (1834203).

Almost surely, 213266461 is an apocalyptic number.

It is an amenable number.

13266461 is a deficient number, since it is larger than the sum of its proper divisors (1407163).

13266461 is a wasteful number, since it uses less digits than its factorization.

13266461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27631.

The product of its digits is 5184, while the sum is 29.

The square root of 13266461 is about 3642.3153350582. The cubic root of 13266461 is about 236.7291261010.

The spelling of 13266461 in words is "thirteen million, two hundred sixty-six thousand, four hundred sixty-one".

Divisors: 1 13 37 481 27581 358553 1020497 13266461