11999950 has 12 divisors (see below), whose sum is σ = 22320000. Its totient is φ = 4799960.

The previous prime is 11999941. The next prime is 11999987. The reversal of 11999950 is 5999911.

It is a junction number, because it is equal to n+sod(n) for n = 11999897 and 11999906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119950 + ... + 120049.

It is an arithmetic number, because the mean of its divisors is an integer number (1860000).

Almost surely, 2^11999950 is an apocalyptic number.

11999950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11999950 is a deficient number, since it is larger than the sum of its proper divisors (10320050).

11999950 is a wasteful number, since it uses less digits than its factorization.

11999950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240011 (or 240006 counting only the distinct ones).

The product of its (nonzero) digits is 32805, while the sum is 43.

The square root of 11999950 is about 3464.0943982519. The cubic root of 11999950 is about 228.9425305340.

The spelling of 11999950 in words is "eleven million, nine hundred ninety-nine thousand, nine hundred fifty".