11732720 has 40 divisors (see below), whose sum is σ = 28886544. Its totient is φ = 4416512.

The previous prime is 11732717. The next prime is 11732723. The reversal of 11732720 is 2723711.

It is an interprime number because it is at equal distance from previous prime (11732717) and next prime (11732723).

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11732723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2954 + ... + 5673.

Almost surely, 2^11732720 is an apocalyptic number.

11732720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11732720 is an abundant number, since it is smaller than the sum of its proper divisors (17153824).

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

11732720 is a wasteful number, since it uses less digits than its factorization.

11732720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8657 (or 8651 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 11732720 is about 3425.3058257621. The cubic root of 11732720 is about 227.2302966607.

Subtracting from 11732720 its reverse (2723711), we obtain a palindrome (9009009).

The spelling of 11732720 in words is "eleven million, seven hundred thirty-two thousand, seven hundred twenty".