14391972 has 48 divisors (see below), whose sum is σ = 42645120. Its totient is φ = 4111776.

The previous prime is 14391941. The next prime is 14391973. The reversal of 14391972 is 27919341.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (14391973) 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 15 ways as a sum of consecutive naturals, for example, 8763 + ... + 10274.

It is an arithmetic number, because the mean of its divisors is an integer number (888440).

Almost surely, 2^14391972 is an apocalyptic number.

14391972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

14391972 is an abundant number, since it is smaller than the sum of its proper divisors (28253148).

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

14391972 is a wasteful number, since it uses less digits than its factorization.

14391972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19057 (or 19049 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 14391972 is about 3793.6752628553. The cubic root of 14391972 is about 243.2428603838.

The spelling of 14391972 in words is "fourteen million, three hundred ninety-one thousand, nine hundred seventy-two".