13322505 has 32 divisors (see below), whose sum is σ = 24530688. Its totient is φ = 6048000.

The previous prime is 13322503. The next prime is 13322527. The reversal of 13322505 is 50522331.

It is not a de Polignac number, because 13322505 - 2¹ = 13322503 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (13322501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18655 + ... + 19355.

It is an arithmetic number, because the mean of its divisors is an integer number (766584).

Almost surely, 2^13322505 is an apocalyptic number.

13322505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13322505 is a deficient number, since it is larger than the sum of its proper divisors (11208183).

13322505 is a wasteful number, since it uses less digits than its factorization.

13322505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 13322505 is about 3650.0006849314. Note that the first 3 decimals coincide. The cubic root of 13322505 is about 237.0620108703.

Adding to 13322505 its reverse (50522331), we get a palindrome (63844836).

The spelling of 13322505 in words is "thirteen million, three hundred twenty-two thousand, five hundred five".