14404520 has 32 divisors (see below), whose sum is σ = 34904520. Its totient is φ = 5318400.

The previous prime is 14404517. The next prime is 14404543. The reversal of 14404520 is 2540441.

It can be written as a sum of positive squares in 4 ways, for example, as 8421604 + 5982916 = 2902^2 + 2446^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 14404492 and 14404501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13331 + ... + 14370.

Almost surely, 2^14404520 is an apocalyptic number.

14404520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14404520 is an abundant number, since it is smaller than the sum of its proper divisors (20500000).

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

14404520 is a wasteful number, since it uses less digits than its factorization.

14404520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27725 (or 27721 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 14404520 is about 3795.3287077670. The cubic root of 14404520 is about 243.3135323017.

Adding to 14404520 its reverse (2540441), we get a palindrome (16944961).

The spelling of 14404520 in words is "fourteen million, four hundred four thousand, five hundred twenty".