13445115 has 8 divisors (see below), whose sum is σ = 21512208. Its totient is φ = 7170720.

The previous prime is 13445101. The next prime is 13445119. The reversal of 13445115 is 51154431.

It is a happy number.

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

It is not a de Polignac number, because 13445115 - 2⁴ = 13445099 is a prime.

It is a super-2 number, since 2×13445115² = 361542234726450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13445119) 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, 448156 + ... + 448185.

It is an arithmetic number, because the mean of its divisors is an integer number (2689026).

Almost surely, 2^13445115 is an apocalyptic number.

13445115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13445115 is a deficient number, since it is larger than the sum of its proper divisors (8067093).

13445115 is an equidigital number, since it uses as much as digits as its factorization.

13445115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896349.

The product of its digits is 1200, while the sum is 24.

The square root of 13445115 is about 3666.7581049205. The cubic root of 13445115 is about 237.7870361509.

Adding to 13445115 its reverse (51154431), we get a palindrome (64599546).

The spelling of 13445115 in words is "thirteen million, four hundred forty-five thousand, one hundred fifteen".