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12536939 = 174117987
BaseRepresentation
bin101111110100…
…110001101011
3212120221110002
4233310301223
511202140224
61124413215
7211363562
oct57646153
925527402
1012536939
117093208
12424720b
13279c50c
141944bd9
1511799ae
hexbf4c6b

12536939 has 8 divisors (see below), whose sum is σ = 13598928. Its totient is φ = 11511040.

The previous prime is 12536929. The next prime is 12536957. The reversal of 12536939 is 93963521.

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

It is not a de Polignac number, because 12536939 - 220 = 11488363 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12536929) 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, 8297 + ... + 9690.

It is an arithmetic number, because the mean of its divisors is an integer number (1699866).

Almost surely, 212536939 is an apocalyptic number.

12536939 is a deficient number, since it is larger than the sum of its proper divisors (1061989).

12536939 is a wasteful number, since it uses less digits than its factorization.

12536939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18045.

The product of its digits is 43740, while the sum is 38.

The square root of 12536939 is about 3540.7540157430. The cubic root of 12536939 is about 232.3078243953.

It can be divided in two parts, 1253 and 6939, that added together give a 13-th power (8192 = 213).

The spelling of 12536939 in words is "twelve million, five hundred thirty-six thousand, nine hundred thirty-nine".

Divisors: 1 17 41 697 17987 305779 737467 12536939