13217148 has 48 divisors (see below), whose sum is σ = 39164160. Its totient is φ = 3776112.

The previous prime is 13217137. The next prime is 13217167. The reversal of 13217148 is 84171231.

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

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, 7986 + ... + 9497.

It is an arithmetic number, because the mean of its divisors is an integer number (815920).

Almost surely, 2^13217148 is an apocalyptic number.

13217148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13217148 is an abundant number, since it is smaller than the sum of its proper divisors (25947012).

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

13217148 is a wasteful number, since it uses less digits than its factorization.

13217148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17503 (or 17495 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 13217148 is about 3635.5395748087. The cubic root of 13217148 is about 236.4354452250.

Adding to 13217148 its reverse (84171231), we get a palindrome (97388379).

The spelling of 13217148 in words is "thirteen million, two hundred seventeen thousand, one hundred forty-eight".