11506812 has 12 divisors (see below), whose sum is σ = 26849256. Its totient is φ = 3835600.

The previous prime is 11506811. The next prime is 11506813. The reversal of 11506812 is 21860511.

It is an interprime number because it is at equal distance from previous prime (11506811) and next prime (11506813).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11506811) 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, 479439 + ... + 479462.

It is an arithmetic number, because the mean of its divisors is an integer number (2237438).

Almost surely, 2^11506812 is an apocalyptic number.

11506812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11506812 is an abundant number, since it is smaller than the sum of its proper divisors (15342444).

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

11506812 is a wasteful number, since it uses less digits than its factorization.

11506812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958908 (or 958906 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 11506812 is about 3392.1692174772. The cubic root of 11506812 is about 225.7624308069.

The spelling of 11506812 in words is "eleven million, five hundred six thousand, eight hundred twelve".