11971932 has 48 divisors (see below), whose sum is σ = 32094720. Its totient is φ = 3402432.

The previous prime is 11971913. The next prime is 11971943. The reversal of 11971932 is 23917911.

It is a junction number, because it is equal to n+sod(n) for n = 11971893 and 11971902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29958 + ... + 30354.

It is an arithmetic number, because the mean of its divisors is an integer number (668640).

Almost surely, 2^11971932 is an apocalyptic number.

11971932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11971932 is an abundant number, since it is smaller than the sum of its proper divisors (20122788).

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

11971932 is a wasteful number, since it uses less digits than its factorization.

11971932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770 (or 768 counting only the distinct ones).

The product of its digits is 3402, while the sum is 33.

The square root of 11971932 is about 3460.0479765460. The cubic root of 11971932 is about 228.7642100522.

The spelling of 11971932 in words is "eleven million, nine hundred seventy-one thousand, nine hundred thirty-two".