13961436 has 24 divisors (see below), whose sum is σ = 33112464. Its totient is φ = 4577280.

The previous prime is 13961417. The next prime is 13961509. The reversal of 13961436 is 63416931.

It is a junction number, because it is equal to n+sod(n) for n = 13961397 and 13961406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8805 + ... + 10268.

It is an arithmetic number, because the mean of its divisors is an integer number (1379686).

Almost surely, 2^13961436 is an apocalyptic number.

It is an amenable number.

13961436 is an abundant number, since it is smaller than the sum of its proper divisors (19151028).

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

13961436 is a wasteful number, since it uses less digits than its factorization.

13961436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19141 (or 19139 counting only the distinct ones).

The product of its digits is 11664, while the sum is 33.

The square root of 13961436 is about 3736.5005018065. The cubic root of 13961436 is about 240.7927259459.

The spelling of 13961436 in words is "thirteen million, nine hundred sixty-one thousand, four hundred thirty-six".