14919997 has 8 divisors (see below), whose sum is σ = 15896160. Its totient is φ = 13962960.

The previous prime is 14919953. The next prime is 14920013. The reversal of 14919997 is 79991941.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14919997 - 2¹⁹ = 14395709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14919997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14914997) 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, 3154 + ... + 6307.

It is an arithmetic number, because the mean of its divisors is an integer number (1987020).

Almost surely, 2^14919997 is an apocalyptic number.

14919997 is the 3154-th pentagonal number.

It is an amenable number.

14919997 is a deficient number, since it is larger than the sum of its proper divisors (976163).

14919997 is an equidigital number, since it uses as much as digits as its factorization.

14919997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9563.

The product of its digits is 183708, while the sum is 49.

The square root of 14919997 is about 3862.6411948303. The cubic root of 14919997 is about 246.1819714683.

The spelling of 14919997 in words is "fourteen million, nine hundred nineteen thousand, nine hundred ninety-seven".