15997114 has 8 divisors (see below), whose sum is σ = 27423648. Its totient is φ = 6855900.

The previous prime is 15997109. The next prime is 15997123. The reversal of 15997114 is 41179951.

15997114 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571312 + ... + 571339.

It is an arithmetic number, because the mean of its divisors is an integer number (3427956).

Almost surely, 2^15997114 is an apocalyptic number.

15997114 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

15997114 is a deficient number, since it is larger than the sum of its proper divisors (11426534).

15997114 is a wasteful number, since it uses less digits than its factorization.

15997114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142660.

The product of its digits is 11340, while the sum is 37.

The square root of 15997114 is about 3999.6392337310. The cubic root of 15997114 is about 251.9690585173.

The spelling of 15997114 in words is "fifteen million, nine hundred ninety-seven thousand, one hundred fourteen".