11969998 has 8 divisors (see below), whose sum is σ = 17979192. Its totient is φ = 5976936.

The previous prime is 11969987. The next prime is 11970017. The reversal of 11969998 is 89996911.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1965 + ... + 5272.

It is an arithmetic number, because the mean of its divisors is an integer number (2247399).

Almost surely, 2^11969998 is an apocalyptic number.

11969998 is a deficient number, since it is larger than the sum of its proper divisors (6009194).

11969998 is an equidigital number, since it uses as much as digits as its factorization.

11969998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8066.

The product of its digits is 314928, while the sum is 52.

The square root of 11969998 is about 3459.7684893646. The cubic root of 11969998 is about 228.7518908540.

The spelling of 11969998 in words is "eleven million, nine hundred sixty-nine thousand, nine hundred ninety-eight".