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12379369 = 531311783
BaseRepresentation
bin101111001110…
…010011101001
3212021221022011
4233032103221
511132114434
61121155521
7210136312
oct57162351
925257264
1012379369
116a95892
12418bba1
132745892
141903609
151147e64
hexbce4e9

12379369 has 8 divisors (see below), whose sum is σ = 12716352. Its totient is φ = 12046320.

The previous prime is 12379351. The next prime is 12379387. The reversal of 12379369 is 96397321.

It is an interprime number because it is at equal distance from previous prime (12379351) and next prime (12379387).

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 12379369 - 25 = 12379337 is a prime.

It is a super-2 number, since 2×123793692 = 306497553676322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12379309) 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, 6052 + ... + 7834.

It is an arithmetic number, because the mean of its divisors is an integer number (1589544).

Almost surely, 212379369 is an apocalyptic number.

It is an amenable number.

12379369 is a deficient number, since it is larger than the sum of its proper divisors (336983).

12379369 is a wasteful number, since it uses less digits than its factorization.

12379369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967.

The product of its digits is 61236, while the sum is 40.

The square root of 12379369 is about 3518.4327476875. The cubic root of 12379369 is about 231.3304678328.

The spelling of 12379369 in words is "twelve million, three hundred seventy-nine thousand, three hundred sixty-nine".

Divisors: 1 53 131 1783 6943 94499 233573 12379369