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11407987 is a prime number
BaseRepresentation
bin101011100001…
…001001110011
3210110120211001
4223201021303
510410023422
61044302431
7165652303
oct53411163
923416731
1011407987
116491a98
1239a1a17
1324956b6
14172d603
151005227
hexae1273

11407987 has 2 divisors, whose sum is σ = 11407988. Its totient is φ = 11407986.

The previous prime is 11407967. The next prime is 11407993. The reversal of 11407987 is 78970411.

11407987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11407987 - 219 = 10883699 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11407927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5703993 + 5703994.

It is an arithmetic number, because the mean of its divisors is an integer number (5703994).

Almost surely, 211407987 is an apocalyptic number.

11407987 is a deficient number, since it is larger than the sum of its proper divisors (1).

11407987 is an equidigital number, since it uses as much as digits as its factorization.

11407987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 11407987 is about 3377.5711687543. The cubic root of 11407987 is about 225.1142596622.

It can be divided in two parts, 1140798 and 7, that added together give a triangular number (1140805 = T1510).

The spelling of 11407987 in words is "eleven million, four hundred seven thousand, nine hundred eighty-seven".