11949240 has 32 divisors (see below), whose sum is σ = 35848080. Its totient is φ = 3186432.

The previous prime is 11949239. The next prime is 11949241. The reversal of 11949240 is 4294911.

11949240 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 (11949239) and next prime (11949241).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 11949198 and 11949207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11949241) 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, 49669 + ... + 49908.

Almost surely, 2^11949240 is an apocalyptic number.

11949240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11949240 is an abundant number, since it is smaller than the sum of its proper divisors (23898840).

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

11949240 is a wasteful number, since it uses less digits than its factorization.

11949240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99591 (or 99587 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 11949240 is about 3456.7672759386. The cubic root of 11949240 is about 228.6195828603.

The spelling of 11949240 in words is "eleven million, nine hundred forty-nine thousand, two hundred forty".