11634839 has 2 divisors, whose sum is σ = 11634840. Its totient is φ = 11634838.

The previous prime is 11634809. The next prime is 11634853. The reversal of 11634839 is 93843611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11634839 - 2⁸ = 11634583 is a prime.

It is a Chen prime.

It is equal to p₇₆₅₆₄₇ and since 11634839 and 765647 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 11634799 and 11634808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11634809) 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 as a sum of consecutive naturals, namely, 5817419 + 5817420.

It is an arithmetic number, because the mean of its divisors is an integer number (5817420).

Almost surely, 2^11634839 is an apocalyptic number.

11634839 is a deficient number, since it is larger than the sum of its proper divisors (1).

11634839 is an equidigital number, since it uses as much as digits as its factorization.

11634839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 35.

The square root of 11634839 is about 3410.9879800433. The cubic root of 11634839 is about 226.5966366225.

The spelling of 11634839 in words is "eleven million, six hundred thirty-four thousand, eight hundred thirty-nine".