712145 has 8 divisors (see below), whose sum is σ = 976704. Its totient is φ = 488304.

The previous prime is 712133. The next prime is 712157. The reversal of 712145 is 541217.

It is an interprime number because it is at equal distance from previous prime (712133) and next prime (712157).

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

It is a cyclic number.

It is not a de Polignac number, because 712145 - 2⁸ = 711889 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 712145.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10139 + ... + 10208.

It is an arithmetic number, because the mean of its divisors is an integer number (122088).

2⁷¹²¹⁴⁵ is an apocalyptic number.

It is an amenable number.

712145 is a deficient number, since it is larger than the sum of its proper divisors (264559).

712145 is a wasteful number, since it uses less digits than its factorization.

712145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20359.

The product of its digits is 280, while the sum is 20.

The square root of 712145 is about 843.8868407553. The cubic root of 712145 is about 89.3009631860.

The spelling of 712145 in words is "seven hundred twelve thousand, one hundred forty-five".