15696601 has 4 divisors (see below), whose sum is σ = 15800704. Its totient is φ = 15592500.

The previous prime is 15696599. The next prime is 15696613. The reversal of 15696601 is 10669651.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15696601 - 2¹ = 15696599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15696631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51825 + ... + 52126.

It is an arithmetic number, because the mean of its divisors is an integer number (3950176).

Almost surely, 2^15696601 is an apocalyptic number.

It is an amenable number.

15696601 is a deficient number, since it is larger than the sum of its proper divisors (104103).

15696601 is a wasteful number, since it uses less digits than its factorization.

15696601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104102.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 15696601 is about 3961.8936129078. The cubic root of 15696601 is about 250.3812901756.

The spelling of 15696601 in words is "fifteen million, six hundred ninety-six thousand, six hundred one".