13396544 has 56 divisors (see below), whose sum is σ = 32186880. Its totient is φ = 5400576.

The previous prime is 13396543. The next prime is 13396567. The reversal of 13396544 is 44569331.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×13396544² = 358934782287872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13396543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6737 + ... + 8495.

Almost surely, 2^13396544 is an apocalyptic number.

13396544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13396544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16093440).

13396544 is an abundant number, since it is smaller than the sum of its proper divisors (18790336).

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

13396544 is a wasteful number, since it uses less digits than its factorization.

13396544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795 (or 1785 counting only the distinct ones).

The product of its digits is 38880, while the sum is 35.

The square root of 13396544 is about 3660.1289594767. The cubic root of 13396544 is about 237.5003523540.

The spelling of 13396544 in words is "thirteen million, three hundred ninety-six thousand, five hundred forty-four".