11969436 has 12 divisors (see below), whose sum is σ = 27928712. Its totient is φ = 3989808.

The previous prime is 11969423. The next prime is 11969459. The reversal of 11969436 is 63496911.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 11969394 and 11969403.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 498715 + ... + 498738.

Almost surely, 2^11969436 is an apocalyptic number.

It is an amenable number.

11969436 is an abundant number, since it is smaller than the sum of its proper divisors (15959276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11969436 is a wasteful number, since it uses less digits than its factorization.

11969436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997460 (or 997458 counting only the distinct ones).

The product of its digits is 34992, while the sum is 39.

The square root of 11969436 is about 3459.6872691040. The cubic root of 11969436 is about 228.7483107761.

The spelling of 11969436 in words is "eleven million, nine hundred sixty-nine thousand, four hundred thirty-six".