11623772 has 12 divisors (see below), whose sum is σ = 20891640. Its totient is φ = 5654736.

The previous prime is 11623771. The next prime is 11623783. The reversal of 11623772 is 27732611.

It is a super-2 number, since 2×11623772² = 270224151015968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11623771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39122 + ... + 39417.

It is an arithmetic number, because the mean of its divisors is an integer number (1740970).

Almost surely, 2^11623772 is an apocalyptic number.

It is an amenable number.

11623772 is a deficient number, since it is larger than the sum of its proper divisors (9267868).

11623772 is a wasteful number, since it uses less digits than its factorization.

11623772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78580 (or 78578 counting only the distinct ones).

The product of its digits is 3528, while the sum is 29.

The square root of 11623772 is about 3409.3653368332. The cubic root of 11623772 is about 226.5247679724.

The spelling of 11623772 in words is "eleven million, six hundred twenty-three thousand, seven hundred seventy-two".