11973732 has 12 divisors (see below), whose sum is σ = 27938736. Its totient is φ = 3991240.

The previous prime is 11973721. The next prime is 11973739. The reversal of 11973732 is 23737911.

It is a happy number.

11973732 is digitally balanced in base 2, because in such base 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 junction number, because it is equal to n+sod(n) for n = 11973693 and 11973702.

It is not an unprimeable number, because it can be changed into a prime (11973739) 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, 498894 + ... + 498917.

It is an arithmetic number, because the mean of its divisors is an integer number (2328228).

Almost surely, 2^11973732 is an apocalyptic number.

11973732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11973732 is an abundant number, since it is smaller than the sum of its proper divisors (15965004).

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

11973732 is a wasteful number, since it uses less digits than its factorization.

11973732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997818 (or 997816 counting only the distinct ones).

The product of its digits is 7938, while the sum is 33.

The square root of 11973732 is about 3460.3080787699. The cubic root of 11973732 is about 228.7756745048.

The spelling of 11973732 in words is "eleven million, nine hundred seventy-three thousand, seven hundred thirty-two".