14972840 has 16 divisors (see below), whose sum is σ = 33688980. Its totient is φ = 5989120.

The previous prime is 14972833. The next prime is 14972849. The reversal of 14972840 is 4827941.

It can be written as a sum of positive squares in 2 ways, for example, as 14485636 + 487204 = 3806^2 + 698^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 14972840.

It is not an unprimeable number, because it can be changed into a prime (14972849) by changing a digit.

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, 187121 + ... + 187200.

Almost surely, 2^14972840 is an apocalyptic number.

14972840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14972840 is an abundant number, since it is smaller than the sum of its proper divisors (18716140).

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

14972840 is a wasteful number, since it uses less digits than its factorization.

14972840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374332 (or 374328 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 14972840 is about 3869.4754166424. The cubic root of 14972840 is about 246.4722679037.

The spelling of 14972840 in words is "fourteen million, nine hundred seventy-two thousand, eight hundred forty".