13643148 has 24 divisors (see below), whose sum is σ = 31894128. Its totient is φ = 4539136.

The previous prime is 13643141. The next prime is 13643177. The reversal of 13643148 is 84134631.

It is a super-2 number, since 2×13643148² = 372270974699808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13643141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10840 + ... + 12032.

It is an arithmetic number, because the mean of its divisors is an integer number (1328922).

Almost surely, 2^13643148 is an apocalyptic number.

It is an amenable number.

13643148 is an abundant number, since it is smaller than the sum of its proper divisors (18250980).

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

13643148 is a wasteful number, since it uses less digits than its factorization.

13643148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153 (or 2151 counting only the distinct ones).

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

The square root of 13643148 is about 3693.6632223309. The cubic root of 13643148 is about 238.9488052902.

Adding to 13643148 its reverse (84134631), we get a palindrome (97777779).

The spelling of 13643148 in words is "thirteen million, six hundred forty-three thousand, one hundred forty-eight".