11903772 has 12 divisors (see below), whose sum is σ = 27775496. Its totient is φ = 3967920.

The previous prime is 11903767. The next prime is 11903779. The reversal of 11903772 is 27730911.

11903772 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11903779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495979 + ... + 496002.

Almost surely, 2^11903772 is an apocalyptic number.

11903772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11903772 is an abundant number, since it is smaller than the sum of its proper divisors (15871724).

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

11903772 is a wasteful number, since it uses less digits than its factorization.

11903772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991988 (or 991986 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 30.

The square root of 11903772 is about 3450.1843429011. The cubic root of 11903772 is about 228.3292411696.

The spelling of 11903772 in words is "eleven million, nine hundred three thousand, seven hundred seventy-two".