11987070 has 32 divisors (see below), whose sum is σ = 28864512. Its totient is φ = 3185952.

The previous prime is 11987051. The next prime is 11987077. The reversal of 11987070 is 7078911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11987077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13459 + ... + 14321.

It is an arithmetic number, because the mean of its divisors is an integer number (902016).

Almost surely, 2^11987070 is an apocalyptic number.

11987070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11987070 is an abundant number, since it is smaller than the sum of its proper divisors (16877442).

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

11987070 is a wasteful number, since it uses less digits than its factorization.

11987070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336.

The product of its (nonzero) digits is 3528, while the sum is 33.

The square root of 11987070 is about 3462.2348273911. The cubic root of 11987070 is about 228.8605903194.

The spelling of 11987070 in words is "eleven million, nine hundred eighty-seven thousand, seventy".