11562972 has 12 divisors (see below), whose sum is σ = 26980296. Its totient is φ = 3854320.

The previous prime is 11562961. The next prime is 11562973. The reversal of 11562972 is 27926511.

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 (11562973) 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, 481779 + ... + 481802.

It is an arithmetic number, because the mean of its divisors is an integer number (2248358).

Almost surely, 2^11562972 is an apocalyptic number.

11562972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11562972 is an abundant number, since it is smaller than the sum of its proper divisors (15417324).

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

11562972 is a wasteful number, since it uses less digits than its factorization.

11562972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963588 (or 963586 counting only the distinct ones).

The product of its digits is 7560, while the sum is 33.

The square root of 11562972 is about 3400.4370307359. The cubic root of 11562972 is about 226.1291193148.

The spelling of 11562972 in words is "eleven million, five hundred sixty-two thousand, nine hundred seventy-two".