1363572 has 54 divisors (see below), whose sum is σ = 4014738. Its totient is φ = 389088.

The previous prime is 1363559. The next prime is 1363577. The reversal of 1363572 is 2753631.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 853776 + 509796 = 924^2 + 714^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1363577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1378 + ... + 2150.

It is an arithmetic number, because the mean of its divisors is an integer number (74347).

2^1363572 is an apocalyptic number.

1363572 is a gapful number since it is divisible by the number (12) 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 1363572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2007369).

1363572 is an abundant number, since it is smaller than the sum of its proper divisors (2651166).

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

1363572 is a wasteful number, since it uses less digits than its factorization.

1363572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797 (or 785 counting only the distinct ones).

The product of its digits is 3780, while the sum is 27.

The square root of 1363572 is about 1167.7208570545. The cubic root of 1363572 is about 110.8900786676.

The spelling of 1363572 in words is "one million, three hundred sixty-three thousand, five hundred seventy-two".