11797240 has 96 divisors (see below), whose sum is σ = 33324480. Its totient is φ = 3725568.

The previous prime is 11797231. The next prime is 11797241. The reversal of 11797240 is 4279711.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11797241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25249 + ... + 25711.

It is an arithmetic number, because the mean of its divisors is an integer number (347130).

Almost surely, 2^11797240 is an apocalyptic number.

11797240 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 11797240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16662240).

11797240 is an abundant number, since it is smaller than the sum of its proper divisors (21527240).

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

11797240 is a wasteful number, since it uses less digits than its factorization.

11797240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 11797240 is about 3434.7110504379. The cubic root of 11797240 is about 227.6460600523.

The spelling of 11797240 in words is "eleven million, seven hundred ninety-seven thousand, two hundred forty".