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13119789 = 331141073
BaseRepresentation
bin110010000011…
…000100101101
3220200112222010
4302003010231
511324313124
61145111433
7216342054
oct62030455
926615863
1013119789
117451101
124488579
1329448b7
141a5739b
151242529
hexc8312d

13119789 has 8 divisors (see below), whose sum is σ = 18057472. Its totient is φ = 8464320.

The previous prime is 13119787. The next prime is 13119797. The reversal of 13119789 is 98791131.

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

It is not a de Polignac number, because 13119789 - 21 = 13119787 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 (13119787) 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, 70444 + ... + 70629.

It is an arithmetic number, because the mean of its divisors is an integer number (2257184).

Almost surely, 213119789 is an apocalyptic number.

It is an amenable number.

13119789 is a deficient number, since it is larger than the sum of its proper divisors (4937683).

13119789 is a wasteful number, since it uses less digits than its factorization.

13119789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141107.

The product of its digits is 13608, while the sum is 39.

The square root of 13119789 is about 3622.1249288229. The cubic root of 13119789 is about 235.8534772285.

The spelling of 13119789 in words is "thirteen million, one hundred nineteen thousand, seven hundred eighty-nine".

Divisors: 1 3 31 93 141073 423219 4373263 13119789