14207400 has 120 divisors (see below), whose sum is σ = 49400670. Its totient is φ = 3784320.

The previous prime is 14207351. The next prime is 14207407. The reversal of 14207400 is 470241.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 12574116 + 1633284 = 3546^2 + 1278^2 .

It is a tau number, because it is divible by the number of its divisors (120).

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

It is not an unprimeable number, because it can be changed into a prime (14207407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 15762 + ... + 16638.

Almost surely, 2^14207400 is an apocalyptic number.

14207400 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 14207400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24700335).

14207400 is an abundant number, since it is smaller than the sum of its proper divisors (35193270).

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

14207400 is a wasteful number, since it uses less digits than its factorization.

14207400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905 (or 887 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 14207400 is about 3769.2704864469. The cubic root of 14207400 is about 242.1985484380.

Adding to 14207400 its reverse (470241), we get a palindrome (14677641).

The spelling of 14207400 in words is "fourteen million, two hundred seven thousand, four hundred".