5191212 has 48 divisors (see below), whose sum is σ = 13208832. Its totient is φ = 1577280.

The previous prime is 5191187. The next prime is 5191213. The reversal of 5191212 is 2121915.

It is not an unprimeable number, because it can be changed into a prime (5191213) 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, 16537 + ... + 16847.

It is an arithmetic number, because the mean of its divisors is an integer number (275184).

Almost surely, 2^5191212 is an apocalyptic number.

5191212 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5191212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6604416).

5191212 is an abundant number, since it is smaller than the sum of its proper divisors (8017620).

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

5191212 is a wasteful number, since it uses less digits than its factorization.

5191212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 436 counting only the distinct ones).

The product of its digits is 180, while the sum is 21.

The square root of 5191212 is about 2278.4231389274. The cubic root of 5191212 is about 173.1501697647.

The spelling of 5191212 in words is "five million, one hundred ninety-one thousand, two hundred twelve".