1413720 has 256 divisors, whose sum is σ = 6220800. Its totient is φ = 276480.

The previous prime is 1413691. The next prime is 1413749. The reversal of 1413720 is 273141.

1413720 = T₅₁ + T₅₂ + ... + T₂₀₄.

It is a Cunningham number, because it is equal to 1189²-1.

It is an interprime number because it is at equal distance from previous prime (1413691) and next prime (1413749).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1413693 and 1413702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 83152 + ... + 83168.

It is an arithmetic number, because the mean of its divisors is an integer number (24300).

2^1413720 is an apocalyptic number.

1413720 is a gapful number since it is divisible by the number (10) 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 1413720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3110400).

1413720 is an abundant number, since it is smaller than the sum of its proper divisors (4807080).

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

1413720 is a wasteful number, since it uses less digits than its factorization.

1413720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1413720 is about 1188.9995794785. Note that the first 3 decimals coincide. The cubic root of 1413720 is about 112.2331452877.

Adding to 1413720 its reverse (273141), we get a palindrome (1686861).

The spelling of 1413720 in words is "one million, four hundred thirteen thousand, seven hundred twenty".