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13119967 = 77332557
BaseRepresentation
bin110010000011…
…000111011111
3220200120012201
4302003013133
511324314332
61145112331
7216342430
oct62030737
926616181
1013119967
117451253
1244886a7
1329449c3
141a57487
1512425e7
hexc831df

13119967 has 8 divisors (see below), whose sum is σ = 15020576. Its totient is φ = 11225952.

The previous prime is 13119961. The next prime is 13119973. The reversal of 13119967 is 76991131.

It is an interprime number because it is at equal distance from previous prime (13119961) and next prime (13119973).

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 13119967 - 211 = 13117919 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 (13119961) 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, 3853 + ... + 6409.

It is an arithmetic number, because the mean of its divisors is an integer number (1877572).

Almost surely, 213119967 is an apocalyptic number.

13119967 is a deficient number, since it is larger than the sum of its proper divisors (1900609).

13119967 is an equidigital number, since it uses as much as digits as its factorization.

13119967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3297.

The product of its digits is 10206, while the sum is 37.

The square root of 13119967 is about 3622.1494999517. The cubic root of 13119967 is about 235.8545438546.

The spelling of 13119967 in words is "thirteen million, one hundred nineteen thousand, nine hundred sixty-seven".

Divisors: 1 7 733 2557 5131 17899 1874281 13119967