11387670 has 64 divisors (see below), whose sum is σ = 31504896. Its totient is φ = 2580480.

The previous prime is 11387617. The next prime is 11387687. The reversal of 11387670 is 7678311.

11387670 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44182 + ... + 44438.

It is an arithmetic number, because the mean of its divisors is an integer number (492264).

Almost surely, 2^11387670 is an apocalyptic number.

11387670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11387670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15752448).

11387670 is an abundant number, since it is smaller than the sum of its proper divisors (20117226).

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

11387670 is a wasteful number, since it uses less digits than its factorization.

11387670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 11387670 is about 3374.5621938260. The cubic root of 11387670 is about 224.9805415271.

The spelling of 11387670 in words is "eleven million, three hundred eighty-seven thousand, six hundred seventy".