11965950 has 36 divisors (see below), whose sum is σ = 32149728. Its totient is φ = 3190800.

The previous prime is 11965949. The next prime is 11965963. The reversal of 11965950 is 5956911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12846 + ... + 13745.

It is an arithmetic number, because the mean of its divisors is an integer number (893048).

Almost surely, 2^11965950 is an apocalyptic number.

11965950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11965950 is an abundant number, since it is smaller than the sum of its proper divisors (20183778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11965950 is a wasteful number, since it uses less digits than its factorization.

11965950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26609 (or 26601 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 36.

The square root of 11965950 is about 3459.1834296550. The cubic root of 11965950 is about 228.7261015972.

The spelling of 11965950 in words is "eleven million, nine hundred sixty-five thousand, nine hundred fifty".