11501982 has 12 divisors (see below), whose sum is σ = 24921000. Its totient is φ = 3833988.

The previous prime is 11501881. The next prime is 11502019. The reversal of 11501982 is 28910511.

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 5 ways as a sum of consecutive naturals, for example, 319482 + ... + 319517.

It is an arithmetic number, because the mean of its divisors is an integer number (2076750).

Almost surely, 2^11501982 is an apocalyptic number.

11501982 is an abundant number, since it is smaller than the sum of its proper divisors (13419018).

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

11501982 is a wasteful number, since it uses less digits than its factorization.

11501982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639007 (or 639004 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The square root of 11501982 is about 3391.4572089295. The cubic root of 11501982 is about 225.7308383570.

The spelling of 11501982 in words is "eleven million, five hundred one thousand, nine hundred eighty-two".