11951950 has 48 divisors (see below), whose sum is σ = 24462720. Its totient is φ = 4324320.

The previous prime is 11951923. The next prime is 11951963. The reversal of 11951950 is 5915911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21577 + ... + 22123.

It is an arithmetic number, because the mean of its divisors is an integer number (509640).

Almost surely, 2^11951950 is an apocalyptic number.

11951950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11951950 is an abundant number, since it is smaller than the sum of its proper divisors (12510770).

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

11951950 is a wasteful number, since it uses less digits than its factorization.

11951950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601 (or 596 counting only the distinct ones).

The product of its (nonzero) digits is 2025, while the sum is 31.

The square root of 11951950 is about 3457.1592384500. The cubic root of 11951950 is about 228.6368646355.

The spelling of 11951950 in words is "eleven million, nine hundred fifty-one thousand, nine hundred fifty".