11969534 has 8 divisors (see below), whose sum is σ = 18533568. Its totient is φ = 5791680.

The previous prime is 11969519. The next prime is 11969539. The reversal of 11969534 is 43596911.

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 (11969539) 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, 96467 + ... + 96590.

It is an arithmetic number, because the mean of its divisors is an integer number (2316696).

Almost surely, 2^11969534 is an apocalyptic number.

11969534 is a deficient number, since it is larger than the sum of its proper divisors (6564034).

11969534 is a wasteful number, since it uses less digits than its factorization.

11969534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193090.

The product of its digits is 29160, while the sum is 38.

The square root of 11969534 is about 3459.7014322048. The cubic root of 11969534 is about 228.7489350683.

The spelling of 11969534 in words is "eleven million, nine hundred sixty-nine thousand, five hundred thirty-four".