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12452939 = 113193571
BaseRepresentation
bin101111100000…
…010001001011
3212102200012222
4233200101023
511141443224
61122524255
7210563642
oct57402113
925380188
1012452939
117036094
12420668b
132770205
141922359
15115eb5e
hexbe044b

12452939 has 8 divisors (see below), whose sum is σ = 12650352. Its totient is φ = 12257280.

The previous prime is 12452927. The next prime is 12452963. The reversal of 12452939 is 93925421.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12452939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12452899 and 12452908.

It is not an unprimeable number, because it can be changed into a prime (12442939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21524 + ... + 22094.

It is an arithmetic number, because the mean of its divisors is an integer number (1581294).

Almost surely, 212452939 is an apocalyptic number.

12452939 is a deficient number, since it is larger than the sum of its proper divisors (197413).

12452939 is a wasteful number, since it uses less digits than its factorization.

12452939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877.

The product of its digits is 19440, while the sum is 35.

The square root of 12452939 is about 3528.8721994428. The cubic root of 12452939 is about 231.7878249905.

The spelling of 12452939 in words is "twelve million, four hundred fifty-two thousand, nine hundred thirty-nine".

Divisors: 1 113 193 571 21809 64523 110203 12452939