11953839 has 16 divisors (see below), whose sum is σ = 17238528. Its totient is φ = 7339392.

The previous prime is 11953811. The next prime is 11953847. The reversal of 11953839 is 93835911.

It is not a de Polignac number, because 11953839 - 2⁵ = 11953807 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11953797 and 11953806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11953339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97 + ... + 4890.

It is an arithmetic number, because the mean of its divisors is an integer number (1077408).

Almost surely, 2^11953839 is an apocalyptic number.

11953839 is a deficient number, since it is larger than the sum of its proper divisors (5284689).

11953839 is a wasteful number, since it uses less digits than its factorization.

11953839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5054.

The product of its digits is 29160, while the sum is 39.

The square root of 11953839 is about 3457.4324288408. The cubic root of 11953839 is about 228.6489093168.

The spelling of 11953839 in words is "eleven million, nine hundred fifty-three thousand, eight hundred thirty-nine".