11700390 has 64 divisors (see below), whose sum is σ = 31852800. Its totient is φ = 2726784.

The previous prime is 11700389. The next prime is 11700397. The reversal of 11700390 is 9300711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11700397) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6621 + ... + 8199.

It is an arithmetic number, because the mean of its divisors is an integer number (497700).

Almost surely, 2^11700390 is an apocalyptic number.

11700390 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 11700390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15926400).

11700390 is an abundant number, since it is smaller than the sum of its proper divisors (20152410).

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

11700390 is a wasteful number, since it uses less digits than its factorization.

11700390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621.

The product of its (nonzero) digits is 189, while the sum is 21.

The square root of 11700390 is about 3420.5832835936. The cubic root of 11700390 is about 227.0213904688.

It can be divided in two parts, 11700 and 390, that added together give a triangular number (12090 = T₁₅₅).

The spelling of 11700390 in words is "eleven million, seven hundred thousand, three hundred ninety".