11802972 has 12 divisors (see below), whose sum is σ = 27540296. Its totient is φ = 3934320.

The previous prime is 11802943. The next prime is 11802977. The reversal of 11802972 is 27920811.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11802977) 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, 491779 + ... + 491802.

Almost surely, 2^11802972 is an apocalyptic number.

11802972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11802972 is an abundant number, since it is smaller than the sum of its proper divisors (15737324).

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

11802972 is a wasteful number, since it uses less digits than its factorization.

11802972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983588 (or 983586 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 11802972 is about 3435.5453715531. The cubic root of 11802972 is about 227.6829233621.

The spelling of 11802972 in words is "eleven million, eight hundred two thousand, nine hundred seventy-two".