5212720 has 40 divisors (see below), whose sum is σ = 12650976. Its totient is φ = 1993728.

The previous prime is 5212717. The next prime is 5212729. The reversal of 5212720 is 272125.

5212720 = 388² + 389² + ... + 419².

It is a tau number, because it is divible by the number of its divisors (40).

It is an Ulam number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (5212729) 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, 424 + ... + 3256.

Almost surely, 2^5212720 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 5212720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6325488).

5212720 is an abundant number, since it is smaller than the sum of its proper divisors (7438256).

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

5212720 is a wasteful number, since it uses less digits than its factorization.

5212720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2869 (or 2863 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 5212720 is about 2283.1381911746. The cubic root of 5212720 is about 173.3889696482.

Adding to 5212720 its reverse (272125), we get a palindrome (5484845).

The spelling of 5212720 in words is "five million, two hundred twelve thousand, seven hundred twenty".