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13824407 is a prime number
BaseRepresentation
bin110100101111…
…000110010111
3222000100112002
4310233012113
512014340112
61212145515
7225335252
oct64570627
928010462
1013824407
117892533
12476829b
132b3052c
141b9c099
1513311c2
hexd2f197

13824407 has 2 divisors, whose sum is σ = 13824408. Its totient is φ = 13824406.

The previous prime is 13824401. The next prime is 13824409. The reversal of 13824407 is 70442831.

It is a strong prime.

It is an emirp because it is prime and its reverse (70442831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13824407 - 220 = 12775831 is a prime.

It is a super-2 number, since 2×138244072 = 382228457803298, which contains 22 as substring.

Together with 13824409, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13824407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13824401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6912203 + 6912204.

It is an arithmetic number, because the mean of its divisors is an integer number (6912204).

Almost surely, 213824407 is an apocalyptic number.

13824407 is a deficient number, since it is larger than the sum of its proper divisors (1).

13824407 is an equidigital number, since it uses as much as digits as its factorization.

13824407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 13824407 is about 3718.1187447418. The cubic root of 13824407 is about 240.0023553010.

The spelling of 13824407 in words is "thirteen million, eight hundred twenty-four thousand, four hundred seven".