11872372 has 12 divisors (see below), whose sum is σ = 20859300. Its totient is φ = 5912576.

The previous prime is 11872363. The next prime is 11872379. The reversal of 11872372 is 27327811.

It can be written as a sum of positive squares in 2 ways, for example, as 11587216 + 285156 = 3404^2 + 534^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11872379) 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 3 ways as a sum of consecutive naturals, for example, 4747 + ... + 6802.

It is an arithmetic number, because the mean of its divisors is an integer number (1738275).

Almost surely, 2^11872372 is an apocalyptic number.

It is an amenable number.

11872372 is a deficient number, since it is larger than the sum of its proper divisors (8986928).

11872372 is a wasteful number, since it uses less digits than its factorization.

11872372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11810 (or 11808 counting only the distinct ones).

The product of its digits is 4704, while the sum is 31.

The square root of 11872372 is about 3445.6308566067. The cubic root of 11872372 is about 228.1283006215.

The spelling of 11872372 in words is "eleven million, eight hundred seventy-two thousand, three hundred seventy-two".