11772612 has 18 divisors (see below), whose sum is σ = 29758638. Its totient is φ = 3924192.

The previous prime is 11772611. The next prime is 11772613. The reversal of 11772612 is 21627711.

It is an interprime number because it is at equal distance from previous prime (11772611) and next prime (11772613).

It can be written as a sum of positive squares in only one way, i.e., 9884736 + 1887876 = 3144^2 + 1374^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (11772611) 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 5 ways as a sum of consecutive naturals, for example, 163473 + ... + 163544.

Almost surely, 2^11772612 is an apocalyptic number.

11772612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11772612 is an abundant number, since it is smaller than the sum of its proper divisors (17986026).

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

11772612 is a wasteful number, since it uses less digits than its factorization.

11772612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327027 (or 327022 counting only the distinct ones).

The product of its digits is 1176, while the sum is 27.

The square root of 11772612 is about 3431.1240140805. The cubic root of 11772612 is about 227.4875378594.

The spelling of 11772612 in words is "eleven million, seven hundred seventy-two thousand, six hundred twelve".