11861372 has 12 divisors (see below), whose sum is σ = 20803440. Its totient is φ = 5917536.

The previous prime is 11861371. The next prime is 11861401. The reversal of 11861372 is 27316811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11861371) 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, 1097 + ... + 4992.

It is an arithmetic number, because the mean of its divisors is an integer number (1733620).

Almost surely, 2^11861372 is an apocalyptic number.

It is an amenable number.

11861372 is a deficient number, since it is larger than the sum of its proper divisors (8942068).

11861372 is a wasteful number, since it uses less digits than its factorization.

11861372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6580 (or 6578 counting only the distinct ones).

The product of its digits is 2016, while the sum is 29.

The square root of 11861372 is about 3444.0342623151. The cubic root of 11861372 is about 228.0578236432.

The spelling of 11861372 in words is "eleven million, eight hundred sixty-one thousand, three hundred seventy-two".