15696481 has 8 divisors (see below), whose sum is σ = 16144128. Its totient is φ = 15252000.

The previous prime is 15696469. The next prime is 15696493. The reversal of 15696481 is 18469651.

15696481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (15696469) and next prime (15696493).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15696481 - 2⁷ = 15696353 is a prime.

It is a super-2 number, since 2×15696481² = 492759031566722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15696181) 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, 12136 + ... + 13366.

It is an arithmetic number, because the mean of its divisors is an integer number (2018016).

Almost surely, 2^15696481 is an apocalyptic number.

It is an amenable number.

15696481 is a deficient number, since it is larger than the sum of its proper divisors (447647).

15696481 is a wasteful number, since it uses less digits than its factorization.

15696481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583.

The product of its digits is 51840, while the sum is 40.

The square root of 15696481 is about 3961.8784686055. The cubic root of 15696481 is about 250.3806521217.

The spelling of 15696481 in words is "fifteen million, six hundred ninety-six thousand, four hundred eighty-one".