13214028 has 12 divisors (see below), whose sum is σ = 30832760. Its totient is φ = 4404672.

The previous prime is 13214027. The next prime is 13214039. The reversal of 13214028 is 82041231.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×13214028² = 349221071969568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13213995 and 13214013.

It is not an unprimeable number, because it can be changed into a prime (13214021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550573 + ... + 550596.

Almost surely, 2^13214028 is an apocalyptic number.

It is an amenable number.

13214028 is an abundant number, since it is smaller than the sum of its proper divisors (17618732).

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

13214028 is a wasteful number, since it uses less digits than its factorization.

13214028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101176 (or 1101174 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 13214028 is about 3635.1104522421. The cubic root of 13214028 is about 236.4168396821.

Adding to 13214028 its reverse (82041231), we get a palindrome (95255259).

The spelling of 13214028 in words is "thirteen million, two hundred fourteen thousand, twenty-eight".