13601145 has 16 divisors (see below), whose sum is σ = 22512960. Its totient is φ = 7003584.

The previous prime is 13601143. The next prime is 13601149. The reversal of 13601145 is 54110631.

It is not a de Polignac number, because 13601145 - 2¹ = 13601143 is a prime.

It is a super-2 number, since 2×13601145² = 369982290622050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13601143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15199 + ... + 16068.

It is an arithmetic number, because the mean of its divisors is an integer number (1407060).

Almost surely, 2^13601145 is an apocalyptic number.

13601145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13601145 is a deficient number, since it is larger than the sum of its proper divisors (8911815).

13601145 is a wasteful number, since it uses less digits than its factorization.

13601145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31304.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 13601145 is about 3687.9730205087. The cubic root of 13601145 is about 238.7033369144.

Adding to 13601145 its reverse (54110631), we get a palindrome (67711776).

The spelling of 13601145 in words is "thirteen million, six hundred one thousand, one hundred forty-five".