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13396749 = 37695807
BaseRepresentation
bin110011000110…
…101100001101
3221012121212220
4303012230031
511412143444
61155045553
7221604402
oct63065415
927177786
1013396749
1176201a3
1245a08b9
132a10992
141aca2a9
151299619
hexcc6b0d

13396749 has 8 divisors (see below), whose sum is σ = 17888640. Its totient is φ = 8918016.

The previous prime is 13396727. The next prime is 13396751. The reversal of 13396749 is 94769331.

13396749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13396749 - 211 = 13394701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13396749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13396769) 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, 597 + ... + 5210.

It is an arithmetic number, because the mean of its divisors is an integer number (2236080).

Almost surely, 213396749 is an apocalyptic number.

It is an amenable number.

13396749 is a deficient number, since it is larger than the sum of its proper divisors (4491891).

13396749 is an equidigital number, since it uses as much as digits as its factorization.

13396749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6579.

The product of its digits is 122472, while the sum is 42.

The square root of 13396749 is about 3660.1569638473. The cubic root of 13396749 is about 237.5015637940.

The spelling of 13396749 in words is "thirteen million, three hundred ninety-six thousand, seven hundred forty-nine".

Divisors: 1 3 769 2307 5807 17421 4465583 13396749