14536820 has 12 divisors (see below), whose sum is σ = 30527364. Its totient is φ = 5814720.

The previous prime is 14536817. The next prime is 14536831. The reversal of 14536820 is 2863541.

It can be written as a sum of positive squares in 2 ways, for example, as 4963984 + 9572836 = 2228^2 + 3094^2 .

It is a super-2 number, since 2×14536820² = 422638271424800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363401 + ... + 363440.

It is an arithmetic number, because the mean of its divisors is an integer number (2543947).

Almost surely, 2^14536820 is an apocalyptic number.

14536820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14536820 is an abundant number, since it is smaller than the sum of its proper divisors (15990544).

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

14536820 is a wasteful number, since it uses less digits than its factorization.

14536820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726850 (or 726848 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 14536820 is about 3812.7181904778. The cubic root of 14536820 is about 244.0561771574.

The spelling of 14536820 in words is "fourteen million, five hundred thirty-six thousand, eight hundred twenty".