19014997 has 8 divisors (see below), whose sum is σ = 20482560. Its totient is φ = 17600880.

The previous prime is 19014979. The next prime is 19015001. The reversal of 19014997 is 79941091.

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 19014997 - 2⁷ = 19014869 is a prime.

It is a super-2 number, since 2×19014997² = 723140221820018, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19014907) 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, 12622 + ... + 14047.

It is an arithmetic number, because the mean of its divisors is an integer number (2560320).

Almost surely, 2^19014997 is an apocalyptic number.

It is an amenable number.

19014997 is a deficient number, since it is larger than the sum of its proper divisors (1467563).

19014997 is a wasteful number, since it uses less digits than its factorization.

19014997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26723.

The product of its (nonzero) digits is 20412, while the sum is 40.

The square root of 19014997 is about 4360.6188780952. The cubic root of 19014997 is about 266.9103534602.

The spelling of 19014997 in words is "nineteen million, fourteen thousand, nine hundred ninety-seven".