13572345 has 8 divisors (see below), whose sum is σ = 21715776. Its totient is φ = 7238576.

The previous prime is 13572343. The next prime is 13572347. The reversal of 13572345 is 54327531.

It is an interprime number because it is at equal distance from previous prime (13572343) and next prime (13572347).

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 13572345 - 2¹ = 13572343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13572343) 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, 452397 + ... + 452426.

It is an arithmetic number, because the mean of its divisors is an integer number (2714472).

Almost surely, 2^13572345 is an apocalyptic number.

13572345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13572345 is a deficient number, since it is larger than the sum of its proper divisors (8143431).

13572345 is an equidigital number, since it uses as much as digits as its factorization.

13572345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904831.

The product of its digits is 12600, while the sum is 30.

The square root of 13572345 is about 3684.0663674804. The cubic root of 13572345 is about 238.5347355673.

Adding to 13572345 its reverse (54327531), we get a palindrome (67899876).

The spelling of 13572345 in words is "thirteen million, five hundred seventy-two thousand, three hundred forty-five".