13533345 has 32 divisors (see below), whose sum is σ = 27498240. Its totient is φ = 6186240.

The previous prime is 13533337. The next prime is 13533367. The reversal of 13533345 is 54333531.

It is a happy number.

It is not a de Polignac number, because 13533345 - 2³ = 13533337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6216 + ... + 8105.

It is an arithmetic number, because the mean of its divisors is an integer number (859320).

Almost surely, 2^13533345 is an apocalyptic number.

13533345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13533345 is an abundant number, since it is smaller than the sum of its proper divisors (13964895).

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

13533345 is a wasteful number, since it uses less digits than its factorization.

13533345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14342 (or 14336 counting only the distinct ones).

The product of its digits is 8100, while the sum is 27.

The square root of 13533345 is about 3678.7694953612. The cubic root of 13533345 is about 238.3060406367.

Adding to 13533345 its reverse (54333531), we get a palindrome (67866876).

The spelling of 13533345 in words is "thirteen million, five hundred thirty-three thousand, three hundred forty-five".