14390520 has 32 divisors (see below), whose sum is σ = 43171920. Its totient is φ = 3837440.

The previous prime is 14390501. The next prime is 14390527. The reversal of 14390520 is 2509341.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14390527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59841 + ... + 60080.

Almost surely, 2^14390520 is an apocalyptic number.

14390520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14390520 is an abundant number, since it is smaller than the sum of its proper divisors (28781400).

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

14390520 is a wasteful number, since it uses less digits than its factorization.

14390520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119935 (or 119931 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 14390520 is about 3793.4838868776. The cubic root of 14390520 is about 243.2346798854.

Adding to 14390520 its reverse (2509341), we get a palindrome (16899861).

The spelling of 14390520 in words is "fourteen million, three hundred ninety thousand, five hundred twenty".