11965698 has 16 divisors (see below), whose sum is σ = 26590560. Its totient is φ = 3988548.

The previous prime is 11965697. The next prime is 11965741. The reversal of 11965698 is 89656911.

It is not an unprimeable number, because it can be changed into a prime (11965697) 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, 110740 + ... + 110847.

It is an arithmetic number, because the mean of its divisors is an integer number (1661910).

Almost surely, 2^11965698 is an apocalyptic number.

11965698 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11965698 is an abundant number, since it is smaller than the sum of its proper divisors (14624862).

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

11965698 is a wasteful number, since it uses less digits than its factorization.

11965698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221598 (or 221592 counting only the distinct ones).

The product of its digits is 116640, while the sum is 45.

The square root of 11965698 is about 3459.1470046819. The cubic root of 11965698 is about 228.7244959472.

The spelling of 11965698 in words is "eleven million, nine hundred sixty-five thousand, six hundred ninety-eight".