11801950 has 24 divisors (see below), whose sum is σ = 22083408. Its totient is φ = 4692480.

The previous prime is 11801941. The next prime is 11801969. The reversal of 11801950 is 5910811.

11801950 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9039 + ... + 10261.

It is an arithmetic number, because the mean of its divisors is an integer number (920142).

Almost surely, 2^11801950 is an apocalyptic number.

11801950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11801950 is a deficient number, since it is larger than the sum of its proper divisors (10281458).

11801950 is a wasteful number, since it uses less digits than its factorization.

11801950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428 (or 1423 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 25.

The square root of 11801950 is about 3435.3966292118. The cubic root of 11801950 is about 227.6763516087.

The spelling of 11801950 in words is "eleven million, eight hundred one thousand, nine hundred fifty".