11979598 has 8 divisors (see below), whose sum is σ = 18031608. Its totient is φ = 5969064.

The previous prime is 11979593. The next prime is 11979599. The reversal of 11979598 is 89597911.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11979593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9636 + ... + 10807.

It is an arithmetic number, because the mean of its divisors is an integer number (2253951).

Almost surely, 2^11979598 is an apocalyptic number.

11979598 is a deficient number, since it is larger than the sum of its proper divisors (6052010).

11979598 is a wasteful number, since it uses less digits than its factorization.

11979598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20738.

The product of its digits is 204120, while the sum is 49.

The square root of 11979598 is about 3461.1555873725. The cubic root of 11979598 is about 228.8130279108.

The spelling of 11979598 in words is "eleven million, nine hundred seventy-nine thousand, five hundred ninety-eight".