11878040 has 32 divisors (see below), whose sum is σ = 28134000. Its totient is φ = 4500864.

The previous prime is 11878039. The next prime is 11878043. The reversal of 11878040 is 4087811.

It is a junction number, because it is equal to n+sod(n) for n = 11877994 and 11878012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11878043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7055 + ... + 8574.

Almost surely, 2^11878040 is an apocalyptic number.

11878040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11878040 is an abundant number, since it is smaller than the sum of its proper divisors (16255960).

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

11878040 is a wasteful number, since it uses less digits than its factorization.

11878040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15659 (or 15655 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 11878040 is about 3446.4532493565. The cubic root of 11878040 is about 228.1645984929.

The spelling of 11878040 in words is "eleven million, eight hundred seventy-eight thousand, forty".