14996640 has 96 divisors (see below), whose sum is σ = 47779200. Its totient is φ = 3953664.

The previous prime is 14996633. The next prime is 14996647. The reversal of 14996640 is 4669941.

It is an interprime number because it is at equal distance from previous prime (14996633) and next prime (14996647).

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×14996640² = 449798422579200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14996647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75261 + ... + 75459.

It is an arithmetic number, because the mean of its divisors is an integer number (497700).

Almost surely, 2^14996640 is an apocalyptic number.

14996640 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 14996640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23889600).

14996640 is an abundant number, since it is smaller than the sum of its proper divisors (32782560).

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

14996640 is a wasteful number, since it uses less digits than its factorization.

14996640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 14996640 is about 3872.5495477786. The cubic root of 14996640 is about 246.6027916744.

The spelling of 14996640 in words is "fourteen million, nine hundred ninety-six thousand, six hundred forty".