11969678 has 16 divisors (see below), whose sum is σ = 20957184. Its totient is φ = 5020440.

The previous prime is 11969669. The next prime is 11969687. The reversal of 11969678 is 87696911.

11969678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11969669) and next prime (11969687).

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8438 + ... + 9753.

It is an arithmetic number, because the mean of its divisors is an integer number (1309824).

Almost surely, 2^11969678 is an apocalyptic number.

11969678 is a deficient number, since it is larger than the sum of its proper divisors (8987506).

11969678 is a wasteful number, since it uses less digits than its factorization.

11969678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18247.

The product of its digits is 163296, while the sum is 47.

The square root of 11969678 is about 3459.7222431866. The cubic root of 11969678 is about 228.7498523892.

The spelling of 11969678 in words is "eleven million, nine hundred sixty-nine thousand, six hundred seventy-eight".