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11872879 is a prime number
BaseRepresentation
bin101101010010…
…101001101111
3211100012112021
4231102221233
511014413004
61102251011
7202626544
oct55225157
924305467
1011872879
11677a2a7
123b86a67
1325c9195
141810bcb
151097d54
hexb52a6f

11872879 has 2 divisors, whose sum is σ = 11872880. Its totient is φ = 11872878.

The previous prime is 11872877. The next prime is 11872951. The reversal of 11872879 is 97827811.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11872879 - 21 = 11872877 is a prime.

Together with 11872877, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11872877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5936439 + 5936440.

It is an arithmetic number, because the mean of its divisors is an integer number (5936440).

Almost surely, 211872879 is an apocalyptic number.

11872879 is a deficient number, since it is larger than the sum of its proper divisors (1).

11872879 is an equidigital number, since it uses as much as digits as its factorization.

11872879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 43.

The square root of 11872879 is about 3445.7044272543. The cubic root of 11872879 is about 228.1315479199.

The spelling of 11872879 in words is "eleven million, eight hundred seventy-two thousand, eight hundred seventy-nine".