15196897 has 2 divisors, whose sum is σ = 15196898. Its totient is φ = 15196896.

The previous prime is 15196891. The next prime is 15196943. The reversal of 15196897 is 79869151.

It is a happy number.

It is an a-pointer prime, because the next prime (15196943) can be obtained adding 15196897 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7667361 + 7529536 = 2769^2 + 2744^2 .

It is a cyclic number.

It is not a de Polignac number, because 15196897 - 2¹¹ = 15194849 is a prime.

It is not a weakly prime, because it can be changed into another prime (15196891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7598448 + 7598449.

It is an arithmetic number, because the mean of its divisors is an integer number (7598449).

Almost surely, 2^15196897 is an apocalyptic number.

It is an amenable number.

15196897 is a deficient number, since it is larger than the sum of its proper divisors (1).

15196897 is an equidigital number, since it uses as much as digits as its factorization.

15196897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 46.

The square root of 15196897 is about 3898.3197662583. The cubic root of 15196897 is about 247.6956083801.

The spelling of 15196897 in words is "fifteen million, one hundred ninety-six thousand, eight hundred ninety-seven".