11698540 has 24 divisors (see below), whose sum is σ = 28076832. Its totient is φ = 4010880.

The previous prime is 11698529. The next prime is 11698543. The reversal of 11698540 is 4589611.

It is a junction number, because it is equal to n+sod(n) for n = 11698496 and 11698505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11698543) 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, 41641 + ... + 41920.

It is an arithmetic number, because the mean of its divisors is an integer number (1169868).

Almost surely, 2^11698540 is an apocalyptic number.

11698540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11698540 is an abundant number, since it is smaller than the sum of its proper divisors (16378292).

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

11698540 is a wasteful number, since it uses less digits than its factorization.

11698540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83577 (or 83575 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 11698540 is about 3420.3128511877. The cubic root of 11698540 is about 227.0094247221.

The spelling of 11698540 in words is "eleven million, six hundred ninety-eight thousand, five hundred forty".