11639741 has 2 divisors, whose sum is σ = 11639742. Its totient is φ = 11639740.

The previous prime is 11639729. The next prime is 11639767. The reversal of 11639741 is 14793611.

11639741 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9174841 + 2464900 = 3029^2 + 1570^2 .

It is a cyclic number.

It is not a de Polignac number, because 11639741 - 2²² = 7445437 is a prime.

It is a Chen prime.

It is equal to p₇₆₅₉₃₂ and since 11639741 and 765932 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 = 11639698 and 11639707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11639711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5819870 + 5819871.

It is an arithmetic number, because the mean of its divisors is an integer number (5819871).

Almost surely, 2^11639741 is an apocalyptic number.

It is an amenable number.

11639741 is a deficient number, since it is larger than the sum of its proper divisors (1).

11639741 is an equidigital number, since it uses as much as digits as its factorization.

11639741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 32.

The square root of 11639741 is about 3411.7064645130. The cubic root of 11639741 is about 226.6284554484.

The spelling of 11639741 in words is "eleven million, six hundred thirty-nine thousand, seven hundred forty-one".