11842972 has 12 divisors (see below), whose sum is σ = 20850480. Its totient is φ = 5885696.

The previous prime is 11842937. The next prime is 11842993. The reversal of 11842972 is 27924811.

It is a congruent number.

It is an unprimeable number.

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, 8197 + ... + 9532.

It is an arithmetic number, because the mean of its divisors is an integer number (1737540).

Almost surely, 2^11842972 is an apocalyptic number.

It is an amenable number.

11842972 is a deficient number, since it is larger than the sum of its proper divisors (9007508).

11842972 is a wasteful number, since it uses less digits than its factorization.

11842972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17900 (or 17898 counting only the distinct ones).

The product of its digits is 8064, while the sum is 34.

The square root of 11842972 is about 3441.3619396977. The cubic root of 11842972 is about 227.9398374144.

The spelling of 11842972 in words is "eleven million, eight hundred forty-two thousand, nine hundred seventy-two".