15196997 has 8 divisors (see below), whose sum is σ = 16790976. Its totient is φ = 13680832.

The previous prime is 15196967. The next prime is 15197011. The reversal of 15196997 is 79969151.

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 15196997 - 2¹⁶ = 15131461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15196967) 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, 19043 + ... + 19824.

It is an arithmetic number, because the mean of its divisors is an integer number (2098872).

Almost surely, 2^15196997 is an apocalyptic number.

15196997 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

15196997 is a deficient number, since it is larger than the sum of its proper divisors (1593979).

15196997 is a wasteful number, since it uses less digits than its factorization.

15196997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38907.

The product of its digits is 153090, while the sum is 47.

The square root of 15196997 is about 3898.3325922758. The cubic root of 15196997 is about 247.6961516820.

The spelling of 15196997 in words is "fifteen million, one hundred ninety-six thousand, nine hundred ninety-seven".