13445727 has 8 divisors (see below), whose sum is σ = 18095616. Its totient is φ = 8879832.

The previous prime is 13445717. The next prime is 13445737. The reversal of 13445727 is 72754431.

It is an interprime number because it is at equal distance from previous prime (13445717) and next prime (13445737).

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

It is not a de Polignac number, because 13445727 - 2¹⁴ = 13429343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13445717) 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, 20623 + ... + 21264.

It is an arithmetic number, because the mean of its divisors is an integer number (2261952).

Almost surely, 2^13445727 is an apocalyptic number.

13445727 is a deficient number, since it is larger than the sum of its proper divisors (4649889).

13445727 is a wasteful number, since it uses less digits than its factorization.

13445727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41997.

The product of its digits is 23520, while the sum is 33.

The square root of 13445727 is about 3666.8415564352. The cubic root of 13445727 is about 237.7906439905.

The spelling of 13445727 in words is "thirteen million, four hundred forty-five thousand, seven hundred twenty-seven".