13445936 has 40 divisors (see below), whose sum is σ = 29950464. Its totient is φ = 5728320.

The previous prime is 13445933. The next prime is 13445959. The reversal of 13445936 is 63954431.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13445896 and 13445905.

It is not an unprimeable number, because it can be changed into a prime (13445933) by changing a digit.

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, 30131 + ... + 30573.

Almost surely, 2^13445936 is an apocalyptic number.

13445936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13445936 is an abundant number, since it is smaller than the sum of its proper divisors (16504528).

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

13445936 is a wasteful number, since it uses less digits than its factorization.

13445936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729 (or 723 counting only the distinct ones).

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

The square root of 13445936 is about 3666.8700549651. The cubic root of 13445936 is about 237.7918760545.

The spelling of 13445936 in words is "thirteen million, four hundred forty-five thousand, nine hundred thirty-six".