11699380 has 96 divisors (see below), whose sum is σ = 31352832. Its totient is φ = 3561600.

The previous prime is 11699357. The next prime is 11699399. The reversal of 11699380 is 8399611.

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, 109287 + ... + 109393.

It is an arithmetic number, because the mean of its divisors is an integer number (326592).

Almost surely, 2^11699380 is an apocalyptic number.

11699380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11699380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15676416).

11699380 is an abundant number, since it is smaller than the sum of its proper divisors (19653452).

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

11699380 is a wasteful number, since it uses less digits than its factorization.

11699380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 11699380 is about 3420.4356447681. The cubic root of 11699380 is about 227.0148579742.

The spelling of 11699380 in words is "eleven million, six hundred ninety-nine thousand, three hundred eighty".