15696261 has 80 divisors (see below), whose sum is σ = 29736960. Its totient is φ = 8048160.

The previous prime is 15696259. The next prime is 15696269. The reversal of 15696261 is 16269651.

15696261 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15696261 - 2¹ = 15696259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15696269) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 333940 + ... + 333986.

It is an arithmetic number, because the mean of its divisors is an integer number (371712).

Almost surely, 2^15696261 is an apocalyptic number.

It is an amenable number.

15696261 is a deficient number, since it is larger than the sum of its proper divisors (14040699).

15696261 is a wasteful number, since it uses less digits than its factorization.

15696261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 107 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 15696261 is about 3961.8507039009. The cubic root of 15696261 is about 250.3794823478.

The spelling of 15696261 in words is "fifteen million, six hundred ninety-six thousand, two hundred sixty-one".