13425156 has 48 divisors (see below), whose sum is σ = 35038080. Its totient is φ = 4445280.

The previous prime is 13425151. The next prime is 13425157. The reversal of 13425156 is 65152431.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13425151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20961 + ... + 21591.

It is an arithmetic number, because the mean of its divisors is an integer number (729960).

Almost surely, 2^13425156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13425156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17519040).

13425156 is an abundant number, since it is smaller than the sum of its proper divisors (21612924).

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

13425156 is a wasteful number, since it uses less digits than its factorization.

13425156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841 (or 833 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 13425156 is about 3664.0354801776. The cubic root of 13425156 is about 237.6693145388.

Adding to 13425156 its reverse (65152431), we get a palindrome (78577587).

The spelling of 13425156 in words is "thirteen million, four hundred twenty-five thousand, one hundred fifty-six".