13225436 has 24 divisors (see below), whose sum is σ = 26549376. Its totient is φ = 5646960.

The previous prime is 13225427. The next prime is 13225447. The reversal of 13225436 is 63452231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8555 + ... + 9981.

It is an arithmetic number, because the mean of its divisors is an integer number (1106224).

Almost surely, 2^13225436 is an apocalyptic number.

It is an amenable number.

13225436 is an abundant number, since it is smaller than the sum of its proper divisors (13323940).

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

13225436 is a wasteful number, since it uses less digits than its factorization.

13225436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769 (or 1767 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 13225436 is about 3636.6792544848. The cubic root of 13225436 is about 236.4848549645.

Adding to 13225436 its reverse (63452231), we get a palindrome (76677667).

The spelling of 13225436 in words is "thirteen million, two hundred twenty-five thousand, four hundred thirty-six".