11807772 has 24 divisors (see below), whose sum is σ = 27753600. Its totient is φ = 3907056.

The previous prime is 11807767. The next prime is 11807777. The reversal of 11807772 is 27770811.

It is an interprime number because it is at equal distance from previous prime (11807767) and next prime (11807777).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11807777) 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, 1872 + ... + 5207.

It is an arithmetic number, because the mean of its divisors is an integer number (1156400).

Almost surely, 2^11807772 is an apocalyptic number.

11807772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11807772 is an abundant number, since it is smaller than the sum of its proper divisors (15945828).

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

11807772 is a wasteful number, since it uses less digits than its factorization.

11807772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7225 (or 7223 counting only the distinct ones).

The product of its (nonzero) digits is 5488, while the sum is 33.

The square root of 11807772 is about 3436.2438795871. The cubic root of 11807772 is about 227.7137836662.

The spelling of 11807772 in words is "eleven million, eight hundred seven thousand, seven hundred seventy-two".