13148436 has 48 divisors (see below), whose sum is σ = 35321216. Its totient is φ = 3729024.

The previous prime is 13148407. The next prime is 13148441. The reversal of 13148436 is 63484131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12690 + ... + 13686.

Almost surely, 2^13148436 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 13148436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17660608).

13148436 is an abundant number, since it is smaller than the sum of its proper divisors (22172780).

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

13148436 is a wasteful number, since it uses less digits than its factorization.

13148436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168 (or 1166 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 13148436 is about 3626.0772192550. The cubic root of 13148436 is about 236.0250141062.

The spelling of 13148436 in words is "thirteen million, one hundred forty-eight thousand, four hundred thirty-six".