13725071 has 4 divisors (see below), whose sum is σ = 13825392. Its totient is φ = 13624752.

The previous prime is 13725031. The next prime is 13725077. The reversal of 13725071 is 17052731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17052731 = 283 ⋅60257.

It is a cyclic number.

It is not a de Polignac number, because 13725071 - 2¹⁴ = 13708687 is a prime.

It is a super-4 number, since 4×13725071⁴ (a number of 30 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13725071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13725077) 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, 49955 + ... + 50228.

It is an arithmetic number, because the mean of its divisors is an integer number (3456348).

Almost surely, 2^13725071 is an apocalyptic number.

13725071 is a deficient number, since it is larger than the sum of its proper divisors (100321).

13725071 is a wasteful number, since it uses less digits than its factorization.

13725071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100320.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 13725071 is about 3704.7362929094. The cubic root of 13725071 is about 239.4261230787.

The spelling of 13725071 in words is "thirteen million, seven hundred twenty-five thousand, seventy-one".