15196961 has 4 divisors (see below), whose sum is σ = 16365972. Its totient is φ = 14027952.

The previous prime is 15196943. The next prime is 15196967. The reversal of 15196961 is 16969151.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7182400 + 8014561 = 2680^2 + 2831^2 .

It is a cyclic number.

It is not a de Polignac number, because 15196961 - 2⁶ = 15196897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15196967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584486 + ... + 584511.

It is an arithmetic number, because the mean of its divisors is an integer number (4091493).

Almost surely, 2^15196961 is an apocalyptic number.

It is an amenable number.

15196961 is a deficient number, since it is larger than the sum of its proper divisors (1169011).

15196961 is a wasteful number, since it uses less digits than its factorization.

15196961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169010.

The product of its digits is 14580, while the sum is 38.

The square root of 15196961 is about 3898.3279749144. The cubic root of 15196961 is about 247.6959560936.

The spelling of 15196961 in words is "fifteen million, one hundred ninety-six thousand, nine hundred sixty-one".