11921932 has 12 divisors (see below), whose sum is σ = 22760136. Its totient is φ = 5419040.

The previous prime is 11921867. The next prime is 11921933. The reversal of 11921932 is 23912911.

11921932 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11921932² = 284264925225248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11921932.

It is not an unprimeable number, because it can be changed into a prime (11921933) 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, 135433 + ... + 135520.

It is an arithmetic number, because the mean of its divisors is an integer number (1896678).

Almost surely, 2^11921932 is an apocalyptic number.

It is an amenable number.

11921932 is a deficient number, since it is larger than the sum of its proper divisors (10838204).

11921932 is a wasteful number, since it uses less digits than its factorization.

11921932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270968 (or 270966 counting only the distinct ones).

The product of its digits is 972, while the sum is 28.

The square root of 11921932 is about 3452.8150833776. The cubic root of 11921932 is about 228.4452926822.

The spelling of 11921932 in words is "eleven million, nine hundred twenty-one thousand, nine hundred thirty-two".