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12038397 = 371733721
BaseRepresentation
bin101101111011…
…000011111101
3211122121120120
4231323003331
511040212042
61110005153
7204216240
oct55730375
924577516
1012038397
116882698
1240467b9
132656617
141855257
1510cbdec
hexb7b0fd

12038397 has 16 divisors (see below), whose sum is σ = 19423872. Its totient is φ = 6474240.

The previous prime is 12038387. The next prime is 12038399. The reversal of 12038397 is 79383021.

It is not a de Polignac number, because 12038397 - 28 = 12038141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12038399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16504 + ... + 17217.

It is an arithmetic number, because the mean of its divisors is an integer number (1213992).

Almost surely, 212038397 is an apocalyptic number.

12038397 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12038397 is a deficient number, since it is larger than the sum of its proper divisors (7385475).

12038397 is a wasteful number, since it uses less digits than its factorization.

12038397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33748.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 12038397 is about 3469.6393184307. The cubic root of 12038397 is about 229.1867751538.

The spelling of 12038397 in words is "twelve million, thirty-eight thousand, three hundred ninety-seven".

Divisors: 1 3 7 17 21 51 119 357 33721 101163 236047 573257 708141 1719771 4012799 12038397