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13266949 = 293111471
BaseRepresentation
bin110010100111…
…000000000101
3220222000211111
4302213000011
511344020244
61152205021
7220524103
oct62470005
926860744
1013266949
117541723
124539771
132996887
141a94c73
151270e34
hexca7005

13266949 has 8 divisors (see below), whose sum is σ = 13777920. Its totient is φ = 12759600.

The previous prime is 13266937. The next prime is 13267031. The reversal of 13266949 is 94966231.

13266949 = T942 + T943 + ... + T970.

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 13266949 - 29 = 13266437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13266049) 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, 8284 + ... + 9754.

It is an arithmetic number, because the mean of its divisors is an integer number (1722240).

Almost surely, 213266949 is an apocalyptic number.

It is an amenable number.

13266949 is a deficient number, since it is larger than the sum of its proper divisors (510971).

13266949 is a wasteful number, since it uses less digits than its factorization.

13266949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811.

The product of its digits is 69984, while the sum is 40.

The square root of 13266949 is about 3642.3823247979. The cubic root of 13266949 is about 236.7320287188.

It can be divided in two parts, 132 and 66949, that added together give a square (67081 = 2592).

The spelling of 13266949 in words is "thirteen million, two hundred sixty-six thousand, nine hundred forty-nine".

Divisors: 1 29 311 1471 9019 42659 457481 13266949