14311720 has 16 divisors (see below), whose sum is σ = 32201460. Its totient is φ = 5724672.

The previous prime is 14311709. The next prime is 14311721. The reversal of 14311720 is 2711341.

It can be written as a sum of positive squares in 2 ways, for example, as 14243076 + 68644 = 3774^2 + 262^2 .

It is not an unprimeable number, because it can be changed into a prime (14311721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178857 + ... + 178936.

Almost surely, 2^14311720 is an apocalyptic number.

14311720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14311720 is an abundant number, since it is smaller than the sum of its proper divisors (17889740).

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

14311720 is a wasteful number, since it uses less digits than its factorization.

14311720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357804 (or 357800 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 14311720 is about 3783.0833984992. The cubic root of 14311720 is about 242.7898966888.

The spelling of 14311720 in words is "fourteen million, three hundred eleven thousand, seven hundred twenty".