11651712 has 64 divisors (see below), whose sum is σ = 32599200. Its totient is φ = 3677184.

The previous prime is 11651711. The next prime is 11651719. The reversal of 11651712 is 21715611.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (11651711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6498 + ... + 8094.

Almost surely, 2^11651712 is an apocalyptic number.

11651712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11651712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16299600).

11651712 is an abundant number, since it is smaller than the sum of its proper divisors (20947488).

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

11651712 is a wasteful number, since it uses less digits than its factorization.

11651712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633 (or 1621 counting only the distinct ones).

The product of its digits is 420, while the sum is 24.

The square root of 11651712 is about 3413.4604143010. The cubic root of 11651712 is about 226.7061215440.

The spelling of 11651712 in words is "eleven million, six hundred fifty-one thousand, seven hundred twelve".