11751240 has 32 divisors (see below), whose sum is σ = 35254080. Its totient is φ = 3133632.

The previous prime is 11751239. The next prime is 11751241. The reversal of 11751240 is 4215711.

It is a happy number.

11751240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11751239) and next prime (11751241).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11751241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48844 + ... + 49083.

It is an arithmetic number, because the mean of its divisors is an integer number (1101690).

Almost surely, 2^11751240 is an apocalyptic number.

11751240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11751240 is an abundant number, since it is smaller than the sum of its proper divisors (23502840).

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

11751240 is a wasteful number, since it uses less digits than its factorization.

11751240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97941 (or 97937 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 11751240 is about 3428.0081680183. The cubic root of 11751240 is about 227.3497941792.

Adding to 11751240 its reverse (4215711), we get a palindrome (15966951).

It can be divided in two parts, 1175 and 1240, that added together give a triangular number (2415 = T₆₉).

The spelling of 11751240 in words is "eleven million, seven hundred fifty-one thousand, two hundred forty".