11898040 has 64 divisors (see below), whose sum is σ = 33384960. Its totient is φ = 3707520.

The previous prime is 11898037. The next prime is 11898041. The reversal of 11898040 is 4089811.

11898040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11897993 and 11898011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11898041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1149 + ... + 5011.

It is an arithmetic number, because the mean of its divisors is an integer number (521640).

Almost surely, 2^11898040 is an apocalyptic number.

11898040 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 11898040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16692480).

11898040 is an abundant number, since it is smaller than the sum of its proper divisors (21486920).

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

11898040 is a wasteful number, since it uses less digits than its factorization.

11898040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3892 (or 3888 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 11898040 is about 3449.3535626259. The cubic root of 11898040 is about 228.2925863082.

It can be divided in two parts, 1189 and 8040, that added together give a palindrome (9229).

The spelling of 11898040 in words is "eleven million, eight hundred ninety-eight thousand, forty".