11957698 has 16 divisors (see below), whose sum is σ = 19435680. Its totient is φ = 5495616.

The previous prime is 11957653. The next prime is 11957713. The reversal of 11957698 is 89675911.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2628 + ... + 5551.

It is an arithmetic number, because the mean of its divisors is an integer number (1214730).

Almost surely, 2^11957698 is an apocalyptic number.

11957698 is a deficient number, since it is larger than the sum of its proper divisors (7477982).

11957698 is a wasteful number, since it uses less digits than its factorization.

11957698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8241.

The product of its digits is 136080, while the sum is 46.

The square root of 11957698 is about 3457.9904568983. The cubic root of 11957698 is about 228.6735112100.

The spelling of 11957698 in words is "eleven million, nine hundred fifty-seven thousand, six hundred ninety-eight".