11950639 has 24 divisors (see below), whose sum is σ = 13935600. Its totient is φ = 10200960.

The previous prime is 11950637. The next prime is 11950661. The reversal of 11950639 is 93605911.

It is not a de Polignac number, because 11950639 - 2¹ = 11950637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11950633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 291459 + ... + 291499.

It is an arithmetic number, because the mean of its divisors is an integer number (580650).

Almost surely, 2^11950639 is an apocalyptic number.

11950639 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11950639 is a deficient number, since it is larger than the sum of its proper divisors (1984961).

11950639 is a wasteful number, since it uses less digits than its factorization.

11950639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 11950639 is about 3456.9696267107. The cubic root of 11950639 is about 228.6285046639.

The spelling of 11950639 in words is "eleven million, nine hundred fifty thousand, six hundred thirty-nine".