13214928 has 80 divisors (see below), whose sum is σ = 35997696. Its totient is φ = 4172160.

The previous prime is 13214921. The next prime is 13214947. The reversal of 13214928 is 82941231.

It is a super-3 number, since 3×13214928³ (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13214895 and 13214904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13214921) 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, 123451 + ... + 123557.

Almost surely, 2^13214928 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 13214928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17998848).

13214928 is an abundant number, since it is smaller than the sum of its proper divisors (22782768).

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

13214928 is a wasteful number, since it uses less digits than its factorization.

13214928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 226 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 13214928 is about 3635.2342427965. The cubic root of 13214928 is about 236.4222069662.

The spelling of 13214928 in words is "thirteen million, two hundred fourteen thousand, nine hundred twenty-eight".